90986800

素因数分解:

$2^4\times 5^2\times {\mathrm{227467}}^1$

素因数の和:227485

約数の個数: 30

約数和(自身を含む): 218596748

約数和(自身を除く): 127609948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 227467, 454934, 909868, 1137335, 1819736, 2274670, 3639472, 4549340, 5686675, 9098680, 11373350, 18197360, 22746700, 45493400, 90986800]

約数ペア:

[(1, 90986800), (2, 45493400), (4, 22746700), (5, 18197360), (8, 11373350), (10, 9098680), (16, 5686675), (20, 4549340), (25, 3639472), (40, 2274670), (50, 1819736), (80, 1137335), (100, 909868), (200, 454934), (400, 227467)]