1728008980

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{45307}}^1$

素因数の和:47223

約数の個数: 24

約数和(自身を含む): 3630801888

約数和(自身を除く): 1902792908

約数列:

[1, 2, 4, 5, 10, 20, 1907, 3814, 7628, 9535, 19070, 38140, 45307, 90614, 181228, 226535, 453070, 906140, 86400449, 172800898, 345601796, 432002245, 864004490, 1728008980]

約数ペア:

[(1, 1728008980), (2, 864004490), (4, 432002245), (5, 345601796), (10, 172800898), (20, 86400449), (1907, 906140), (3814, 453070), (7628, 226535), (9535, 181228), (19070, 90614), (38140, 45307)]