68439740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{48197}}^1$

素因数の和:48277

約数の個数: 24

約数和(自身を含む): 145750752

約数和(自身を除く): 77311012

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 48197, 96394, 192788, 240985, 481970, 963940, 3421987, 6843974, 13687948, 17109935, 34219870, 68439740]

約数ペア:

[(1, 68439740), (2, 34219870), (4, 17109935), (5, 13687948), (10, 6843974), (20, 3421987), (71, 963940), (142, 481970), (284, 240985), (355, 192788), (710, 96394), (1420, 48197)]