398265840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4159}}^1$

素因数の和:4204

約数の個数: 240

約数和(自身を含む): 1609420800

約数和(自身を除く): 1211154960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4159, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 8318, 9576, 10640, 11970, 12477, 13680, 15960, 16636, 19152, 20795, 23940, 24954, 29113, 31920, 33272, 37431, 41590, 47880, 49908, 58226, 62385, 66544, 74862, 79021, 83180, 87339, 95760, 99816, 116452, 124770, 145565, 149724, 158042, 166360, 174678, 187155, 199632, 232904, 237063, 249540, 262017, 291130, 299448, 316084, 332720, 349356, 374310, 395105, 436695, 465808, 474126, 499080, 524034, 553147, 582260, 598896, 632168, 698712, 711189, 748620, 790210, 873390, 948252, 998160, 1048068, 1106294, 1164520, 1185315, 1264336, 1310085, 1397424, 1422378, 1497240, 1580420, 1659441, 1746780, 1896504, 2096136, 2212588, 2329040, 2370630, 2620170, 2765735, 2844756, 2994480, 3160840, 3318882, 3493560, 3555945, 3793008, 4192272, 4425176, 4741260, 4978323, 5240340, 5531470, 5689512, 6321680, 6637764, 6987120, 7111890, 8297205, 8850352, 9482520, 9956646, 10480680, 11062940, 11379024, 13275528, 14223780, 16594410, 18965040, 19913292, 20961360, 22125880, 24891615, 26551056, 28447560, 33188820, 39826584, 44251760, 49783230, 56895120, 66377640, 79653168, 99566460, 132755280, 199132920, 398265840]

約数ペア:

[(1, 398265840), (2, 199132920), (3, 132755280), (4, 99566460), (5, 79653168), (6, 66377640), (7, 56895120), (8, 49783230), (9, 44251760), (10, 39826584), (12, 33188820), (14, 28447560), (15, 26551056), (16, 24891615), (18, 22125880), (19, 20961360), (20, 19913292), (21, 18965040), (24, 16594410), (28, 14223780), (30, 13275528), (35, 11379024), (36, 11062940), (38, 10480680), (40, 9956646), (42, 9482520), (45, 8850352), (48, 8297205), (56, 7111890), (57, 6987120), (60, 6637764), (63, 6321680), (70, 5689512), (72, 5531470), (76, 5240340), (80, 4978323), (84, 4741260), (90, 4425176), (95, 4192272), (105, 3793008), (112, 3555945), (114, 3493560), (120, 3318882), (126, 3160840), (133, 2994480), (140, 2844756), (144, 2765735), (152, 2620170), (168, 2370630), (171, 2329040), (180, 2212588), (190, 2096136), (210, 1896504), (228, 1746780), (240, 1659441), (252, 1580420), (266, 1497240), (280, 1422378), (285, 1397424), (304, 1310085), (315, 1264336), (336, 1185315), (342, 1164520), (360, 1106294), (380, 1048068), (399, 998160), (420, 948252), (456, 873390), (504, 790210), (532, 748620), (560, 711189), (570, 698712), (630, 632168), (665, 598896), (684, 582260), (720, 553147), (760, 524034), (798, 499080), (840, 474126), (855, 465808), (912, 436695), (1008, 395105), (1064, 374310), (1140, 349356), (1197, 332720), (1260, 316084), (1330, 299448), (1368, 291130), (1520, 262017), (1596, 249540), (1680, 237063), (1710, 232904), (1995, 199632), (2128, 187155), (2280, 174678), (2394, 166360), (2520, 158042), (2660, 149724), (2736, 145565), (3192, 124770), (3420, 116452), (3990, 99816), (4159, 95760), (4560, 87339), (4788, 83180), (5040, 79021), (5320, 74862), (5985, 66544), (6384, 62385), (6840, 58226), (7980, 49908), (8318, 47880), (9576, 41590), (10640, 37431), (11970, 33272), (12477, 31920), (13680, 29113), (15960, 24954), (16636, 23940), (19152, 20795)]