31121930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15331}}^1$

素因数の和:15374

約数の個数: 32

約数和(自身を含む): 66234240

約数和(自身を除く): 35112310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 15331, 30662, 76655, 107317, 153310, 214634, 444599, 536585, 889198, 1073170, 2222995, 3112193, 4445990, 6224386, 15560965, 31121930]

約数ペア:

[(1, 31121930), (2, 15560965), (5, 6224386), (7, 4445990), (10, 3112193), (14, 2222995), (29, 1073170), (35, 889198), (58, 536585), (70, 444599), (145, 214634), (203, 153310), (290, 107317), (406, 76655), (1015, 30662), (2030, 15331)]