311041380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398771}}^1$

素因数の和:398796

約数の個数: 48

約数和(自身を含む): 937911744

約数和(自身を除く): 626870364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 398771, 797542, 1196313, 1595084, 1993855, 2392626, 3987710, 4785252, 5184023, 5981565, 7975420, 10368046, 11963130, 15552069, 20736092, 23926260, 25920115, 31104138, 51840230, 62208276, 77760345, 103680460, 155520690, 311041380]

約数ペア:

[(1, 311041380), (2, 155520690), (3, 103680460), (4, 77760345), (5, 62208276), (6, 51840230), (10, 31104138), (12, 25920115), (13, 23926260), (15, 20736092), (20, 15552069), (26, 11963130), (30, 10368046), (39, 7975420), (52, 5981565), (60, 5184023), (65, 4785252), (78, 3987710), (130, 2392626), (156, 1993855), (195, 1595084), (260, 1196313), (390, 797542), (780, 398771)]