398648880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 480

約数和(自身を含む): 1689891840

約数和(自身を除く): 1291242960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 23, 24, 28, 30, 35, 36, 38, 40, 42, 45, 46, 48, 56, 57, 60, 63, 69, 70, 72, 76, 80, 84, 90, 92, 95, 105, 112, 114, 115, 120, 126, 133, 138, 140, 144, 152, 161, 168, 171, 180, 181, 184, 190, 207, 210, 228, 230, 240, 252, 266, 276, 280, 285, 304, 315, 322, 336, 342, 345, 360, 362, 368, 380, 399, 414, 420, 437, 456, 460, 483, 504, 532, 543, 552, 560, 570, 630, 644, 665, 684, 690, 720, 724, 760, 798, 805, 828, 840, 855, 874, 905, 912, 920, 966, 1008, 1035, 1064, 1086, 1104, 1140, 1197, 1260, 1267, 1288, 1311, 1330, 1368, 1380, 1448, 1449, 1520, 1596, 1610, 1629, 1656, 1680, 1710, 1748, 1810, 1840, 1932, 1995, 2070, 2128, 2172, 2185, 2280, 2394, 2415, 2520, 2534, 2576, 2622, 2660, 2715, 2736, 2760, 2896, 2898, 3059, 3192, 3220, 3258, 3312, 3420, 3439, 3496, 3620, 3801, 3864, 3933, 3990, 4140, 4163, 4344, 4370, 4560, 4788, 4830, 5040, 5068, 5244, 5320, 5430, 5520, 5796, 5985, 6118, 6335, 6384, 6440, 6516, 6555, 6840, 6878, 6992, 7240, 7245, 7602, 7728, 7866, 7980, 8145, 8280, 8326, 8688, 8740, 9177, 9576, 9660, 10136, 10317, 10488, 10640, 10860, 11403, 11592, 11970, 12236, 12489, 12670, 12880, 13032, 13110, 13680, 13756, 14480, 14490, 15204, 15295, 15732, 15960, 16290, 16560, 16652, 17195, 17480, 18354, 19005, 19152, 19320, 19665, 20272, 20634, 20815, 20976, 21720, 22806, 23184, 23940, 24073, 24472, 24978, 25340, 26064, 26220, 27512, 27531, 28980, 29141, 30408, 30590, 30951, 31464, 31920, 32580, 33304, 34390, 34960, 36708, 37467, 38010, 38640, 39330, 41268, 41630, 43440, 45612, 45885, 47880, 48146, 48944, 49956, 50680, 51585, 52440, 55024, 55062, 57015, 57960, 58282, 60816, 61180, 61902, 62445, 62928, 65160, 66608, 68780, 72219, 73416, 74934, 76020, 78660, 79097, 82536, 83260, 87423, 91224, 91770, 95760, 96292, 99912, 101360, 103170, 104880, 110124, 114030, 115920, 116564, 120365, 122360, 123804, 124890, 130320, 137560, 137655, 144438, 145705, 146832, 149868, 152040, 154755, 157320, 158194, 165072, 166520, 174846, 182448, 183540, 187335, 192584, 199824, 206340, 216657, 220248, 228060, 233128, 237291, 240730, 244720, 247608, 249780, 262269, 275120, 275310, 288876, 291410, 299736, 304080, 309510, 314640, 316388, 333040, 349692, 361095, 367080, 374670, 385168, 395485, 412680, 433314, 437115, 440496, 456120, 466256, 474582, 481460, 495216, 499560, 524538, 550620, 553679, 577752, 582820, 599472, 619020, 632776, 699384, 711873, 722190, 734160, 749340, 790970, 825360, 866628, 874230, 912240, 949164, 962920, 999120, 1049076, 1083285, 1101240, 1107358, 1155504, 1165640, 1186455, 1238040, 1265552, 1311345, 1398768, 1423746, 1444380, 1498680, 1581940, 1661037, 1733256, 1748460, 1898328, 1925840, 2098152, 2166570, 2202480, 2214716, 2331280, 2372910, 2476080, 2622690, 2768395, 2847492, 2888760, 2997360, 3163880, 3322074, 3466512, 3496920, 3559365, 3796656, 4196304, 4333140, 4429432, 4745820, 4983111, 5245380, 5536790, 5694984, 5777520, 6327760, 6644148, 6993840, 7118730, 8305185, 8666280, 8858864, 9491640, 9966222, 10490760, 11073580, 11389968, 13288296, 14237460, 16610370, 17332560, 18983280, 19932444, 20981520, 22147160, 24915555, 26576592, 28474920, 33220740, 39864888, 44294320, 49831110, 56949840, 66441480, 79729776, 99662220, 132882960, 199324440, 398648880]

約数ペア:

[(1, 398648880), (2, 199324440), (3, 132882960), (4, 99662220), (5, 79729776), (6, 66441480), (7, 56949840), (8, 49831110), (9, 44294320), (10, 39864888), (12, 33220740), (14, 28474920), (15, 26576592), (16, 24915555), (18, 22147160), (19, 20981520), (20, 19932444), (21, 18983280), (23, 17332560), (24, 16610370), (28, 14237460), (30, 13288296), (35, 11389968), (36, 11073580), (38, 10490760), (40, 9966222), (42, 9491640), (45, 8858864), (46, 8666280), (48, 8305185), (56, 7118730), (57, 6993840), (60, 6644148), (63, 6327760), (69, 5777520), (70, 5694984), (72, 5536790), (76, 5245380), (80, 4983111), (84, 4745820), (90, 4429432), (92, 4333140), (95, 4196304), (105, 3796656), (112, 3559365), (114, 3496920), (115, 3466512), (120, 3322074), (126, 3163880), (133, 2997360), (138, 2888760), (140, 2847492), (144, 2768395), (152, 2622690), (161, 2476080), (168, 2372910), (171, 2331280), (180, 2214716), (181, 2202480), (184, 2166570), (190, 2098152), (207, 1925840), (210, 1898328), (228, 1748460), (230, 1733256), (240, 1661037), (252, 1581940), (266, 1498680), (276, 1444380), (280, 1423746), (285, 1398768), (304, 1311345), (315, 1265552), (322, 1238040), (336, 1186455), (342, 1165640), (345, 1155504), (360, 1107358), (362, 1101240), (368, 1083285), (380, 1049076), (399, 999120), (414, 962920), (420, 949164), (437, 912240), (456, 874230), (460, 866628), (483, 825360), (504, 790970), (532, 749340), (543, 734160), (552, 722190), (560, 711873), (570, 699384), (630, 632776), (644, 619020), (665, 599472), (684, 582820), (690, 577752), (720, 553679), (724, 550620), (760, 524538), (798, 499560), (805, 495216), (828, 481460), (840, 474582), (855, 466256), (874, 456120), (905, 440496), (912, 437115), (920, 433314), (966, 412680), (1008, 395485), (1035, 385168), (1064, 374670), (1086, 367080), (1104, 361095), (1140, 349692), (1197, 333040), (1260, 316388), (1267, 314640), (1288, 309510), (1311, 304080), (1330, 299736), (1368, 291410), (1380, 288876), (1448, 275310), (1449, 275120), (1520, 262269), (1596, 249780), (1610, 247608), (1629, 244720), (1656, 240730), (1680, 237291), (1710, 233128), (1748, 228060), (1810, 220248), (1840, 216657), (1932, 206340), (1995, 199824), (2070, 192584), (2128, 187335), (2172, 183540), (2185, 182448), (2280, 174846), (2394, 166520), (2415, 165072), (2520, 158194), (2534, 157320), (2576, 154755), (2622, 152040), (2660, 149868), (2715, 146832), (2736, 145705), (2760, 144438), (2896, 137655), (2898, 137560), (3059, 130320), (3192, 124890), (3220, 123804), (3258, 122360), (3312, 120365), (3420, 116564), (3439, 115920), (3496, 114030), (3620, 110124), (3801, 104880), (3864, 103170), (3933, 101360), (3990, 99912), (4140, 96292), (4163, 95760), (4344, 91770), (4370, 91224), (4560, 87423), (4788, 83260), (4830, 82536), (5040, 79097), (5068, 78660), (5244, 76020), (5320, 74934), (5430, 73416), (5520, 72219), (5796, 68780), (5985, 66608), (6118, 65160), (6335, 62928), (6384, 62445), (6440, 61902), (6516, 61180), (6555, 60816), (6840, 58282), (6878, 57960), (6992, 57015), (7240, 55062), (7245, 55024), (7602, 52440), (7728, 51585), (7866, 50680), (7980, 49956), (8145, 48944), (8280, 48146), (8326, 47880), (8688, 45885), (8740, 45612), (9177, 43440), (9576, 41630), (9660, 41268), (10136, 39330), (10317, 38640), (10488, 38010), (10640, 37467), (10860, 36708), (11403, 34960), (11592, 34390), (11970, 33304), (12236, 32580), (12489, 31920), (12670, 31464), (12880, 30951), (13032, 30590), (13110, 30408), (13680, 29141), (13756, 28980), (14480, 27531), (14490, 27512), (15204, 26220), (15295, 26064), (15732, 25340), (15960, 24978), (16290, 24472), (16560, 24073), (16652, 23940), (17195, 23184), (17480, 22806), (18354, 21720), (19005, 20976), (19152, 20815), (19320, 20634), (19665, 20272)]