64499260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460709}}^1$

素因数の和:460725

約数の個数: 24

約数和(自身を含む): 154798560

約数和(自身を除く): 90299300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460709, 921418, 1842836, 2303545, 3224963, 4607090, 6449926, 9214180, 12899852, 16124815, 32249630, 64499260]

約数ペア:

[(1, 64499260), (2, 32249630), (4, 16124815), (5, 12899852), (7, 9214180), (10, 6449926), (14, 4607090), (20, 3224963), (28, 2303545), (35, 1842836), (70, 921418), (140, 460709)]