156655180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1741}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 359966880

約数和(自身を除く): 203311700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 1741, 2045, 3482, 4090, 4499, 6964, 8180, 8705, 8998, 17410, 17996, 19151, 22495, 34820, 38302, 44990, 76604, 89980, 95755, 191510, 383020, 712069, 1424138, 2848276, 3560345, 7120690, 7832759, 14241380, 15665518, 31331036, 39163795, 78327590, 156655180]

約数ペア:

[(1, 156655180), (2, 78327590), (4, 39163795), (5, 31331036), (10, 15665518), (11, 14241380), (20, 7832759), (22, 7120690), (44, 3560345), (55, 2848276), (110, 1424138), (220, 712069), (409, 383020), (818, 191510), (1636, 95755), (1741, 89980), (2045, 76604), (3482, 44990), (4090, 38302), (4499, 34820), (6964, 22495), (8180, 19151), (8705, 17996), (8998, 17410)]