128601950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2933

約数の個数: 48

約数和(自身を含む): 255519360

約数和(自身を除く): 126917410

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1798, 2861, 4495, 5722, 8990, 14305, 22475, 28610, 44950, 71525, 82969, 88691, 143050, 165938, 177382, 414845, 443455, 829690, 886910, 2074225, 2217275, 2572039, 4148450, 4434550, 5144078, 12860195, 25720390, 64300975, 128601950]

約数ペア:

[(1, 128601950), (2, 64300975), (5, 25720390), (10, 12860195), (25, 5144078), (29, 4434550), (31, 4148450), (50, 2572039), (58, 2217275), (62, 2074225), (145, 886910), (155, 829690), (290, 443455), (310, 414845), (725, 177382), (775, 165938), (899, 143050), (1450, 88691), (1550, 82969), (1798, 71525), (2861, 44950), (4495, 28610), (5722, 22475), (8990, 14305)]