68409490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{62761}}^1$

素因数の和:62877

約数の個数: 16

約数和(自身を含む): 124268760

約数和(自身を除く): 55859270

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 62761, 125522, 313805, 627610, 6840949, 13681898, 34204745, 68409490]

約数ペア:

[(1, 68409490), (2, 34204745), (5, 13681898), (10, 6840949), (109, 627610), (218, 313805), (545, 125522), (1090, 62761)]