870835420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{478481}}^1$

素因数の和:478510

約数の個数: 48

約数和(自身を含む): 2250779328

約数和(自身を除く): 1379943908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 478481, 956962, 1913924, 2392405, 3349367, 4784810, 6220253, 6698734, 9569620, 12440506, 13397468, 16746835, 24881012, 31101265, 33493670, 43541771, 62202530, 66987340, 87083542, 124405060, 174167084, 217708855, 435417710, 870835420]

約数ペア:

[(1, 870835420), (2, 435417710), (4, 217708855), (5, 174167084), (7, 124405060), (10, 87083542), (13, 66987340), (14, 62202530), (20, 43541771), (26, 33493670), (28, 31101265), (35, 24881012), (52, 16746835), (65, 13397468), (70, 12440506), (91, 9569620), (130, 6698734), (140, 6220253), (182, 4784810), (260, 3349367), (364, 2392405), (455, 1913924), (910, 956962), (1820, 478481)]