404600980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{7207}}^1$

素因数の和:7624

約数の個数: 48

約数和(自身を含む): 973598976

約数和(自身を除く): 568997996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 4010, 5614, 7207, 8020, 11228, 14035, 14414, 28070, 28828, 36035, 50449, 56140, 72070, 100898, 144140, 201796, 252245, 504490, 1008980, 2890007, 5780014, 11560028, 14450035, 20230049, 28900070, 40460098, 57800140, 80920196, 101150245, 202300490, 404600980]

約数ペア:

[(1, 404600980), (2, 202300490), (4, 101150245), (5, 80920196), (7, 57800140), (10, 40460098), (14, 28900070), (20, 20230049), (28, 14450035), (35, 11560028), (70, 5780014), (140, 2890007), (401, 1008980), (802, 504490), (1604, 252245), (2005, 201796), (2807, 144140), (4010, 100898), (5614, 72070), (7207, 56140), (8020, 50449), (11228, 36035), (14035, 28828), (14414, 28070)]