811157020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{11821}}^1$

素因数の和:11950

約数の個数: 48

約数和(自身を含む): 1763653248

約数和(自身を除く): 952496228

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 235, 292, 365, 470, 730, 940, 1460, 3431, 6862, 11821, 13724, 17155, 23642, 34310, 47284, 59105, 68620, 118210, 236420, 555587, 862933, 1111174, 1725866, 2222348, 2777935, 3451732, 4314665, 5555870, 8629330, 11111740, 17258660, 40557851, 81115702, 162231404, 202789255, 405578510, 811157020]

約数ペア:

[(1, 811157020), (2, 405578510), (4, 202789255), (5, 162231404), (10, 81115702), (20, 40557851), (47, 17258660), (73, 11111740), (94, 8629330), (146, 5555870), (188, 4314665), (235, 3451732), (292, 2777935), (365, 2222348), (470, 1725866), (730, 1111174), (940, 862933), (1460, 555587), (3431, 236420), (6862, 118210), (11821, 68620), (13724, 59105), (17155, 47284), (23642, 34310)]