21618685100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{49369}}^1$

素因数の和:49563

約数の個数: 72

約数和(自身を含む): 48852602400

約数和(自身を除く): 27233917300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 151, 290, 302, 580, 604, 725, 755, 1450, 1510, 2900, 3020, 3775, 4379, 7550, 8758, 15100, 17516, 21895, 43790, 49369, 87580, 98738, 109475, 197476, 218950, 246845, 437900, 493690, 987380, 1234225, 1431701, 2468450, 2863402, 4936900, 5726804, 7158505, 7454719, 14317010, 14909438, 28634020, 29818876, 35792525, 37273595, 71585050, 74547190, 143170100, 149094380, 186367975, 216186851, 372735950, 432373702, 745471900, 864747404, 1080934255, 2161868510, 4323737020, 5404671275, 10809342550, 21618685100]

約数ペア:

[(1, 21618685100), (2, 10809342550), (4, 5404671275), (5, 4323737020), (10, 2161868510), (20, 1080934255), (25, 864747404), (29, 745471900), (50, 432373702), (58, 372735950), (100, 216186851), (116, 186367975), (145, 149094380), (151, 143170100), (290, 74547190), (302, 71585050), (580, 37273595), (604, 35792525), (725, 29818876), (755, 28634020), (1450, 14909438), (1510, 14317010), (2900, 7454719), (3020, 7158505), (3775, 5726804), (4379, 4936900), (7550, 2863402), (8758, 2468450), (15100, 1431701), (17516, 1234225), (21895, 987380), (43790, 493690), (49369, 437900), (87580, 246845), (98738, 218950), (109475, 197476)]