12488980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2411}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 30796416

約数和(自身を除く): 18307436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2411, 2590, 4822, 5180, 9644, 12055, 16877, 24110, 33754, 48220, 67508, 84385, 89207, 168770, 178414, 337540, 356828, 446035, 624449, 892070, 1248898, 1784140, 2497796, 3122245, 6244490, 12488980]

約数ペア:

[(1, 12488980), (2, 6244490), (4, 3122245), (5, 2497796), (7, 1784140), (10, 1248898), (14, 892070), (20, 624449), (28, 446035), (35, 356828), (37, 337540), (70, 178414), (74, 168770), (140, 89207), (148, 84385), (185, 67508), (259, 48220), (370, 33754), (518, 24110), (740, 16877), (1036, 12055), (1295, 9644), (2411, 5180), (2590, 4822)]