68985980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{492757}}^1$

素因数の和:492773

約数の個数: 24

約数和(自身を含む): 165566688

約数和(自身を除く): 96580708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 492757, 985514, 1971028, 2463785, 3449299, 4927570, 6898598, 9855140, 13797196, 17246495, 34492990, 68985980]

約数ペア:

[(1, 68985980), (2, 34492990), (4, 17246495), (5, 13797196), (7, 9855140), (10, 6898598), (14, 4927570), (20, 3449299), (28, 2463785), (35, 1971028), (70, 985514), (140, 492757)]