315059660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{221873}}^1$

素因数の和:221953

約数の個数: 24

約数和(自身を含む): 670946976

約数和(自身を除く): 355887316

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 221873, 443746, 887492, 1109365, 2218730, 4437460, 15752983, 31505966, 63011932, 78764915, 157529830, 315059660]

約数ペア:

[(1, 315059660), (2, 157529830), (4, 78764915), (5, 63011932), (10, 31505966), (20, 15752983), (71, 4437460), (142, 2218730), (284, 1109365), (355, 887492), (710, 443746), (1420, 221873)]