77990860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2861}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 173093760

約数和(自身を除く): 95102900

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 2861, 5452, 5722, 6815, 11444, 13630, 14305, 27260, 28610, 57220, 82969, 134467, 165938, 268934, 331876, 414845, 537868, 672335, 829690, 1344670, 1659380, 2689340, 3899543, 7799086, 15598172, 19497715, 38995430, 77990860]

約数ペア:

[(1, 77990860), (2, 38995430), (4, 19497715), (5, 15598172), (10, 7799086), (20, 3899543), (29, 2689340), (47, 1659380), (58, 1344670), (94, 829690), (116, 672335), (145, 537868), (188, 414845), (235, 331876), (290, 268934), (470, 165938), (580, 134467), (940, 82969), (1363, 57220), (2726, 28610), (2861, 27260), (5452, 14305), (5722, 13630), (6815, 11444)]