387497880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 288

約数和(自身を含む): 1598959440

約数和(自身を除く): 1211461560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 110, 120, 126, 132, 140, 147, 154, 165, 168, 180, 196, 198, 210, 220, 231, 245, 252, 264, 280, 294, 308, 315, 330, 360, 385, 392, 396, 420, 440, 441, 462, 490, 495, 504, 539, 588, 616, 630, 660, 693, 735, 770, 792, 840, 882, 924, 980, 990, 1078, 1155, 1176, 1260, 1320, 1386, 1470, 1540, 1617, 1764, 1848, 1960, 1980, 1997, 2156, 2205, 2310, 2520, 2695, 2772, 2940, 3080, 3234, 3465, 3528, 3960, 3994, 4312, 4410, 4620, 4851, 5390, 5544, 5880, 5991, 6468, 6930, 7988, 8085, 8820, 9240, 9702, 9985, 10780, 11982, 12936, 13860, 13979, 15976, 16170, 17640, 17973, 19404, 19970, 21560, 21967, 23964, 24255, 27720, 27958, 29955, 32340, 35946, 38808, 39940, 41937, 43934, 47928, 48510, 55916, 59910, 64680, 65901, 69895, 71892, 79880, 83874, 87868, 89865, 97020, 97853, 109835, 111832, 119820, 125811, 131802, 139790, 143784, 153769, 167748, 175736, 179730, 194040, 195706, 197703, 209685, 219670, 239640, 251622, 263604, 279580, 293559, 307538, 329505, 335496, 359460, 391412, 395406, 419370, 439340, 461307, 489265, 503244, 527208, 559160, 587118, 615076, 629055, 659010, 718920, 768845, 782824, 790812, 838740, 878680, 880677, 922614, 978530, 988515, 1006488, 1076383, 1174236, 1230152, 1258110, 1318020, 1383921, 1467795, 1537690, 1581624, 1677480, 1761354, 1845228, 1957060, 1977030, 2152766, 2306535, 2348472, 2516220, 2636040, 2767842, 2935590, 3075380, 3229149, 3522708, 3690456, 3914120, 3954060, 4305532, 4403385, 4613070, 5032440, 5381915, 5535684, 5871180, 6150760, 6458298, 6919605, 7045416, 7908120, 8611064, 8806770, 9226140, 9687447, 10763830, 11071368, 11742360, 12916596, 13839210, 16145745, 17613540, 18452280, 19374894, 21527660, 25833192, 27678420, 32291490, 35227080, 38749788, 43055320, 48437235, 55356840, 64582980, 77499576, 96874470, 129165960, 193748940, 387497880]

約数ペア:

[(1, 387497880), (2, 193748940), (3, 129165960), (4, 96874470), (5, 77499576), (6, 64582980), (7, 55356840), (8, 48437235), (9, 43055320), (10, 38749788), (11, 35227080), (12, 32291490), (14, 27678420), (15, 25833192), (18, 21527660), (20, 19374894), (21, 18452280), (22, 17613540), (24, 16145745), (28, 13839210), (30, 12916596), (33, 11742360), (35, 11071368), (36, 10763830), (40, 9687447), (42, 9226140), (44, 8806770), (45, 8611064), (49, 7908120), (55, 7045416), (56, 6919605), (60, 6458298), (63, 6150760), (66, 5871180), (70, 5535684), (72, 5381915), (77, 5032440), (84, 4613070), (88, 4403385), (90, 4305532), (98, 3954060), (99, 3914120), (105, 3690456), (110, 3522708), (120, 3229149), (126, 3075380), (132, 2935590), (140, 2767842), (147, 2636040), (154, 2516220), (165, 2348472), (168, 2306535), (180, 2152766), (196, 1977030), (198, 1957060), (210, 1845228), (220, 1761354), (231, 1677480), (245, 1581624), (252, 1537690), (264, 1467795), (280, 1383921), (294, 1318020), (308, 1258110), (315, 1230152), (330, 1174236), (360, 1076383), (385, 1006488), (392, 988515), (396, 978530), (420, 922614), (440, 880677), (441, 878680), (462, 838740), (490, 790812), (495, 782824), (504, 768845), (539, 718920), (588, 659010), (616, 629055), (630, 615076), (660, 587118), (693, 559160), (735, 527208), (770, 503244), (792, 489265), (840, 461307), (882, 439340), (924, 419370), (980, 395406), (990, 391412), (1078, 359460), (1155, 335496), (1176, 329505), (1260, 307538), (1320, 293559), (1386, 279580), (1470, 263604), (1540, 251622), (1617, 239640), (1764, 219670), (1848, 209685), (1960, 197703), (1980, 195706), (1997, 194040), (2156, 179730), (2205, 175736), (2310, 167748), (2520, 153769), (2695, 143784), (2772, 139790), (2940, 131802), (3080, 125811), (3234, 119820), (3465, 111832), (3528, 109835), (3960, 97853), (3994, 97020), (4312, 89865), (4410, 87868), (4620, 83874), (4851, 79880), (5390, 71892), (5544, 69895), (5880, 65901), (5991, 64680), (6468, 59910), (6930, 55916), (7988, 48510), (8085, 47928), (8820, 43934), (9240, 41937), (9702, 39940), (9985, 38808), (10780, 35946), (11982, 32340), (12936, 29955), (13860, 27958), (13979, 27720), (15976, 24255), (16170, 23964), (17640, 21967), (17973, 21560), (19404, 19970)]