133557400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^2\times {\mathrm{107}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 317440620

約数和(自身を除く): 183883220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 107, 158, 200, 214, 316, 395, 428, 535, 632, 790, 856, 1070, 1580, 1975, 2140, 2675, 3160, 3950, 4280, 5350, 6241, 7900, 8453, 10700, 12482, 15800, 16906, 21400, 24964, 31205, 33812, 42265, 49928, 62410, 67624, 84530, 124820, 156025, 169060, 211325, 249640, 312050, 338120, 422650, 624100, 667787, 845300, 1248200, 1335574, 1690600, 2671148, 3338935, 5342296, 6677870, 13355740, 16694675, 26711480, 33389350, 66778700, 133557400]

約数ペア:

[(1, 133557400), (2, 66778700), (4, 33389350), (5, 26711480), (8, 16694675), (10, 13355740), (20, 6677870), (25, 5342296), (40, 3338935), (50, 2671148), (79, 1690600), (100, 1335574), (107, 1248200), (158, 845300), (200, 667787), (214, 624100), (316, 422650), (395, 338120), (428, 312050), (535, 249640), (632, 211325), (790, 169060), (856, 156025), (1070, 124820), (1580, 84530), (1975, 67624), (2140, 62410), (2675, 49928), (3160, 42265), (3950, 33812), (4280, 31205), (5350, 24964), (6241, 21400), (7900, 16906), (8453, 15800), (10700, 12482)]