68869220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491923}}^1$

素因数の和:491939

約数の個数: 24

約数和(自身を含む): 165286464

約数和(自身を除く): 96417244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491923, 983846, 1967692, 2459615, 3443461, 4919230, 6886922, 9838460, 13773844, 17217305, 34434610, 68869220]

約数ペア:

[(1, 68869220), (2, 34434610), (4, 17217305), (5, 13773844), (7, 9838460), (10, 6886922), (14, 4919230), (20, 3443461), (28, 2459615), (35, 1967692), (70, 983846), (140, 491923)]