70475740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{947}}^1$

素因数の和:1078

約数の個数: 36

約数和(自身を含む): 150623928

約数和(自身を除く): 80148188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 947, 1220, 1894, 3721, 3788, 4735, 7442, 9470, 14884, 18605, 18940, 37210, 57767, 74420, 115534, 231068, 288835, 577670, 1155340, 3523787, 7047574, 14095148, 17618935, 35237870, 70475740]

約数ペア:

[(1, 70475740), (2, 35237870), (4, 17618935), (5, 14095148), (10, 7047574), (20, 3523787), (61, 1155340), (122, 577670), (244, 288835), (305, 231068), (610, 115534), (947, 74420), (1220, 57767), (1894, 37210), (3721, 18940), (3788, 18605), (4735, 14884), (7442, 9470)]