291217240

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{7187}}^1$

素因数の和:8211

約数の個数: 32

約数和(自身を含む): 655976880

約数和(自身を除く): 364759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 4052, 5065, 7187, 8104, 10130, 14374, 20260, 28748, 35935, 40520, 57496, 71870, 143740, 287480, 7280431, 14560862, 29121724, 36402155, 58243448, 72804310, 145608620, 291217240]

約数ペア:

[(1, 291217240), (2, 145608620), (4, 72804310), (5, 58243448), (8, 36402155), (10, 29121724), (20, 14560862), (40, 7280431), (1013, 287480), (2026, 143740), (4052, 71870), (5065, 57496), (7187, 40520), (8104, 35935), (10130, 28748), (14374, 20260)]