289241240

素因数分解:

$2^3\times 5^1\times {\mathrm{7231031}}^1$

素因数の和:7231042

約数の個数: 16

約数和(自身を含む): 650792880

約数和(自身を除く): 361551640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7231031, 14462062, 28924124, 36155155, 57848248, 72310310, 144620620, 289241240]

約数ペア:

[(1, 289241240), (2, 144620620), (4, 72310310), (5, 57848248), (8, 36155155), (10, 28924124), (20, 14462062), (40, 7231031)]