68818450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 136776960

約数和(自身を除く): 67958510

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1531, 1550, 1798, 3062, 4495, 7655, 8990, 15310, 22475, 38275, 44399, 44950, 47461, 76550, 88798, 94922, 221995, 237305, 443990, 474610, 1109975, 1186525, 1376369, 2219950, 2373050, 2752738, 6881845, 13763690, 34409225, 68818450]

約数ペア:

[(1, 68818450), (2, 34409225), (5, 13763690), (10, 6881845), (25, 2752738), (29, 2373050), (31, 2219950), (50, 1376369), (58, 1186525), (62, 1109975), (145, 474610), (155, 443990), (290, 237305), (310, 221995), (725, 94922), (775, 88798), (899, 76550), (1450, 47461), (1531, 44950), (1550, 44399), (1798, 38275), (3062, 22475), (4495, 15310), (7655, 8990)]