169707920

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18773}}^1$

素因数の和:18899

約数の個数: 40

約数和(自身を含む): 398083896

約数和(自身を除く): 228375976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 18773, 37546, 75092, 93865, 150184, 187730, 300368, 375460, 750920, 1501840, 2121349, 4242698, 8485396, 10606745, 16970792, 21213490, 33941584, 42426980, 84853960, 169707920]

約数ペア:

[(1, 169707920), (2, 84853960), (4, 42426980), (5, 33941584), (8, 21213490), (10, 16970792), (16, 10606745), (20, 8485396), (40, 4242698), (80, 2121349), (113, 1501840), (226, 750920), (452, 375460), (565, 300368), (904, 187730), (1130, 150184), (1808, 93865), (2260, 75092), (4520, 37546), (9040, 18773)]