870836140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{431107}}^1$

素因数の和:431217

約数の個数: 24

約数和(自身を含む): 1846866672

約数和(自身を除く): 976030532

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 431107, 862214, 1724428, 2155535, 4311070, 8622140, 43541807, 87083614, 174167228, 217709035, 435418070, 870836140]

約数ペア:

[(1, 870836140), (2, 435418070), (4, 217709035), (5, 174167228), (10, 87083614), (20, 43541807), (101, 8622140), (202, 4311070), (404, 2155535), (505, 1724428), (1010, 862214), (2020, 431107)]