85204900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2671}}^1$

素因数の和:2725

約数の個数: 72

約数和(自身を含む): 208736640

約数和(自身を除く): 123531740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2671, 2900, 3190, 5342, 6380, 7975, 10684, 13355, 15950, 26710, 29381, 31900, 53420, 58762, 66775, 77459, 117524, 133550, 146905, 154918, 267100, 293810, 309836, 387295, 587620, 734525, 774590, 852049, 1469050, 1549180, 1704098, 1936475, 2938100, 3408196, 3872950, 4260245, 7745900, 8520490, 17040980, 21301225, 42602450, 85204900]

約数ペア:

[(1, 85204900), (2, 42602450), (4, 21301225), (5, 17040980), (10, 8520490), (11, 7745900), (20, 4260245), (22, 3872950), (25, 3408196), (29, 2938100), (44, 1936475), (50, 1704098), (55, 1549180), (58, 1469050), (100, 852049), (110, 774590), (116, 734525), (145, 587620), (220, 387295), (275, 309836), (290, 293810), (319, 267100), (550, 154918), (580, 146905), (638, 133550), (725, 117524), (1100, 77459), (1276, 66775), (1450, 58762), (1595, 53420), (2671, 31900), (2900, 29381), (3190, 26710), (5342, 15950), (6380, 13355), (7975, 10684)]