31311430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 59673600

約数和(自身を除く): 28362170

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 223, 446, 739, 1115, 1478, 2230, 3695, 4237, 7390, 8474, 14041, 21185, 28082, 42370, 70205, 140410, 164797, 329594, 823985, 1647970, 3131143, 6262286, 15655715, 31311430]

約数ペア:

[(1, 31311430), (2, 15655715), (5, 6262286), (10, 3131143), (19, 1647970), (38, 823985), (95, 329594), (190, 164797), (223, 140410), (446, 70205), (739, 42370), (1115, 28082), (1478, 21185), (2230, 14041), (3695, 8474), (4237, 7390)]