38631880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 99895680

約数和(自身を除く): 61263800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 491, 562, 982, 1124, 1405, 1964, 1967, 2248, 2455, 2810, 3437, 3928, 3934, 4910, 5620, 6874, 7868, 9820, 9835, 11240, 13748, 15736, 17185, 19640, 19670, 27496, 34370, 39340, 68740, 78680, 137480, 137971, 275942, 551884, 689855, 965797, 1103768, 1379710, 1931594, 2759420, 3863188, 4828985, 5518840, 7726376, 9657970, 19315940, 38631880]

約数ペア:

[(1, 38631880), (2, 19315940), (4, 9657970), (5, 7726376), (7, 5518840), (8, 4828985), (10, 3863188), (14, 2759420), (20, 1931594), (28, 1379710), (35, 1103768), (40, 965797), (56, 689855), (70, 551884), (140, 275942), (280, 137971), (281, 137480), (491, 78680), (562, 68740), (982, 39340), (1124, 34370), (1405, 27496), (1964, 19670), (1967, 19640), (2248, 17185), (2455, 15736), (2810, 13748), (3437, 11240), (3928, 9835), (3934, 9820), (4910, 7868), (5620, 6874)]