90412280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322901}}^1$

素因数の和:322919

約数の個数: 32

約数和(自身を含む): 232489440

約数和(自身を除く): 142077160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322901, 645802, 1291604, 1614505, 2260307, 2583208, 3229010, 4520614, 6458020, 9041228, 11301535, 12916040, 18082456, 22603070, 45206140, 90412280]

約数ペア:

[(1, 90412280), (2, 45206140), (4, 22603070), (5, 18082456), (7, 12916040), (8, 11301535), (10, 9041228), (14, 6458020), (20, 4520614), (28, 3229010), (35, 2583208), (40, 2260307), (56, 1614505), (70, 1291604), (140, 645802), (280, 322901)]