90566980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1663}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 218050560

約数和(自身を除く): 127483580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1663, 1945, 2723, 3326, 3890, 5446, 6652, 7780, 8315, 10892, 11641, 13615, 16630, 23282, 27230, 33260, 46564, 54460, 58205, 116410, 232820, 646907, 1293814, 2587628, 3234535, 4528349, 6469070, 9056698, 12938140, 18113396, 22641745, 45283490, 90566980]

約数ペア:

[(1, 90566980), (2, 45283490), (4, 22641745), (5, 18113396), (7, 12938140), (10, 9056698), (14, 6469070), (20, 4528349), (28, 3234535), (35, 2587628), (70, 1293814), (140, 646907), (389, 232820), (778, 116410), (1556, 58205), (1663, 54460), (1945, 46564), (2723, 33260), (3326, 27230), (3890, 23282), (5446, 16630), (6652, 13615), (7780, 11641), (8315, 10892)]