394076080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 948001824

約数和(自身を除く): 553925744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 172, 194, 215, 344, 388, 430, 485, 688, 776, 860, 970, 1181, 1552, 1720, 1940, 2362, 3440, 3880, 4171, 4724, 5905, 7760, 8342, 9448, 11810, 16684, 18896, 20855, 23620, 33368, 41710, 47240, 50783, 66736, 83420, 94480, 101566, 114557, 166840, 203132, 229114, 253915, 333680, 406264, 458228, 507830, 572785, 812528, 916456, 1015660, 1145570, 1832912, 2031320, 2291140, 4062640, 4582280, 4925951, 9164560, 9851902, 19703804, 24629755, 39407608, 49259510, 78815216, 98519020, 197038040, 394076080]

約数ペア:

[(1, 394076080), (2, 197038040), (4, 98519020), (5, 78815216), (8, 49259510), (10, 39407608), (16, 24629755), (20, 19703804), (40, 9851902), (43, 9164560), (80, 4925951), (86, 4582280), (97, 4062640), (172, 2291140), (194, 2031320), (215, 1832912), (344, 1145570), (388, 1015660), (430, 916456), (485, 812528), (688, 572785), (776, 507830), (860, 458228), (970, 406264), (1181, 333680), (1552, 253915), (1720, 229114), (1940, 203132), (2362, 166840), (3440, 114557), (3880, 101566), (4171, 94480), (4724, 83420), (5905, 66736), (7760, 50783), (8342, 47240), (9448, 41710), (11810, 33368), (16684, 23620), (18896, 20855)]