31456940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 37490260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 449, 452, 565, 620, 898, 1130, 1796, 2245, 2260, 3503, 4490, 7006, 8980, 13919, 14012, 17515, 27838, 35030, 50737, 55676, 69595, 70060, 101474, 139190, 202948, 253685, 278380, 507370, 1014740, 1572847, 3145694, 6291388, 7864235, 15728470, 31456940]

約数ペア:

[(1, 31456940), (2, 15728470), (4, 7864235), (5, 6291388), (10, 3145694), (20, 1572847), (31, 1014740), (62, 507370), (113, 278380), (124, 253685), (155, 202948), (226, 139190), (310, 101474), (449, 70060), (452, 69595), (565, 55676), (620, 50737), (898, 35030), (1130, 27838), (1796, 17515), (2245, 14012), (2260, 13919), (3503, 8980), (4490, 7006)]