31270580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7481}}^1$

素因数の和:7520

約数の個数: 48

約数和(自身を含む): 75418560

約数和(自身を除く): 44147980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7481, 14962, 29924, 37405, 74810, 82291, 142139, 149620, 164582, 284278, 329164, 411455, 568556, 710695, 822910, 1421390, 1563529, 1645820, 2842780, 3127058, 6254116, 7817645, 15635290, 31270580]

約数ペア:

[(1, 31270580), (2, 15635290), (4, 7817645), (5, 6254116), (10, 3127058), (11, 2842780), (19, 1645820), (20, 1563529), (22, 1421390), (38, 822910), (44, 710695), (55, 568556), (76, 411455), (95, 329164), (110, 284278), (190, 164582), (209, 149620), (220, 142139), (380, 82291), (418, 74810), (836, 37405), (1045, 29924), (2090, 14962), (4180, 7481)]