874395920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{352579}}^1$

素因数の和:352623

約数の個数: 40

約数和(自身を含む): 2098556160

約数和(自身を除く): 1224160240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 352579, 705158, 1410316, 1762895, 2820632, 3525790, 5641264, 7051580, 10929949, 14103160, 21859898, 28206320, 43719796, 54649745, 87439592, 109299490, 174879184, 218598980, 437197960, 874395920]

約数ペア:

[(1, 874395920), (2, 437197960), (4, 218598980), (5, 174879184), (8, 109299490), (10, 87439592), (16, 54649745), (20, 43719796), (31, 28206320), (40, 21859898), (62, 14103160), (80, 10929949), (124, 7051580), (155, 5641264), (248, 3525790), (310, 2820632), (496, 1762895), (620, 1410316), (1240, 705158), (2480, 352579)]