678804730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{56239}}^1$

素因数の和:56334

約数の個数: 32

約数和(自身を含む): 1311966720

約数和(自身を除く): 633161990

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 56239, 112478, 281195, 562390, 956063, 1912126, 3992969, 4780315, 7985938, 9560630, 19964845, 39929690, 67880473, 135760946, 339402365, 678804730]

約数ペア:

[(1, 678804730), (2, 339402365), (5, 135760946), (10, 67880473), (17, 39929690), (34, 19964845), (71, 9560630), (85, 7985938), (142, 4780315), (170, 3992969), (355, 1912126), (710, 956063), (1207, 562390), (2414, 281195), (6035, 112478), (12070, 56239)]