636475180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{99761}}^1$

素因数の和:99810

約数の個数: 48

約数和(自身を含む): 1508401440

約数和(自身を除く): 871926260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 99761, 199522, 399044, 498805, 997610, 1097371, 1995220, 2194742, 2893069, 4389484, 5486855, 5786138, 10973710, 11572276, 14465345, 21947420, 28930690, 31823759, 57861380, 63647518, 127295036, 159118795, 318237590, 636475180]

約数ペア:

[(1, 636475180), (2, 318237590), (4, 159118795), (5, 127295036), (10, 63647518), (11, 57861380), (20, 31823759), (22, 28930690), (29, 21947420), (44, 14465345), (55, 11572276), (58, 10973710), (110, 5786138), (116, 5486855), (145, 4389484), (220, 2893069), (290, 2194742), (319, 1995220), (580, 1097371), (638, 997610), (1276, 498805), (1595, 399044), (3190, 199522), (6380, 99761)]