149910520

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{12791}}^1$

素因数の和:13095

約数の個数: 32

約数和(自身を含む): 338476320

約数和(自身を除く): 188565800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 12791, 25582, 51164, 63955, 102328, 127910, 255820, 511640, 3747763, 7495526, 14991052, 18738815, 29982104, 37477630, 74955260, 149910520]

約数ペア:

[(1, 149910520), (2, 74955260), (4, 37477630), (5, 29982104), (8, 18738815), (10, 14991052), (20, 7495526), (40, 3747763), (293, 511640), (586, 255820), (1172, 127910), (1465, 102328), (2344, 63955), (2930, 51164), (5860, 25582), (11720, 12791)]