409393970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{431}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 772219008

約数和(自身を除く): 362825038

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 431, 470, 862, 2021, 2155, 2209, 4042, 4310, 4418, 10105, 11045, 18533, 20210, 20257, 22090, 37066, 40514, 92665, 94987, 101285, 185330, 189974, 202570, 474935, 871051, 949870, 952079, 1742102, 1904158, 4355255, 4760395, 8710510, 9520790, 40939397, 81878794, 204696985, 409393970]

約数ペア:

[(1, 409393970), (2, 204696985), (5, 81878794), (10, 40939397), (43, 9520790), (47, 8710510), (86, 4760395), (94, 4355255), (215, 1904158), (235, 1742102), (430, 952079), (431, 949870), (470, 871051), (862, 474935), (2021, 202570), (2155, 189974), (2209, 185330), (4042, 101285), (4310, 94987), (4418, 92665), (10105, 40514), (11045, 37066), (18533, 22090), (20210, 20257)]