68620100

素因数分解:

$2^2\times 5^2\times {\mathrm{686201}}^1$

素因数の和:686215

約数の個数: 18

約数和(自身を含む): 148905834

約数和(自身を除く): 80285734

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 686201, 1372402, 2744804, 3431005, 6862010, 13724020, 17155025, 34310050, 68620100]

約数ペア:

[(1, 68620100), (2, 34310050), (4, 17155025), (5, 13724020), (10, 6862010), (20, 3431005), (25, 2744804), (50, 1372402), (100, 686201)]