771980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 1844640

約数和(自身を除く): 1072660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1210, 1276, 1331, 1595, 2420, 2662, 3190, 3509, 5324, 6380, 6655, 7018, 13310, 14036, 17545, 26620, 35090, 38599, 70180, 77198, 154396, 192995, 385990, 771980]

約数ペア:

[(1, 771980), (2, 385990), (4, 192995), (5, 154396), (10, 77198), (11, 70180), (20, 38599), (22, 35090), (29, 26620), (44, 17545), (55, 14036), (58, 13310), (110, 7018), (116, 6655), (121, 6380), (145, 5324), (220, 3509), (242, 3190), (290, 2662), (319, 2420), (484, 1595), (580, 1331), (605, 1276), (638, 1210)]