130603940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 279417600

約数和(自身を除く): 148813660

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 239, 307, 356, 445, 478, 614, 890, 956, 1195, 1228, 1535, 1780, 2390, 3070, 4780, 6140, 21271, 27323, 42542, 54646, 73373, 85084, 106355, 109292, 136615, 146746, 212710, 273230, 293492, 366865, 425420, 546460, 733730, 1467460, 6530197, 13060394, 26120788, 32650985, 65301970, 130603940]

約数ペア:

[(1, 130603940), (2, 65301970), (4, 32650985), (5, 26120788), (10, 13060394), (20, 6530197), (89, 1467460), (178, 733730), (239, 546460), (307, 425420), (356, 366865), (445, 293492), (478, 273230), (614, 212710), (890, 146746), (956, 136615), (1195, 109292), (1228, 106355), (1535, 85084), (1780, 73373), (2390, 54646), (3070, 42542), (4780, 27323), (6140, 21271)]