68961800

素因数分解:

$2^3\times 5^2\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 160890000

約数和(自身を除く): 91928200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 499, 691, 998, 1382, 1996, 2495, 2764, 3455, 3992, 4990, 5528, 6910, 9980, 12475, 13820, 17275, 19960, 24950, 27640, 34550, 49900, 69100, 99800, 138200, 344809, 689618, 1379236, 1724045, 2758472, 3448090, 6896180, 8620225, 13792360, 17240450, 34480900, 68961800]

約数ペア:

[(1, 68961800), (2, 34480900), (4, 17240450), (5, 13792360), (8, 8620225), (10, 6896180), (20, 3448090), (25, 2758472), (40, 1724045), (50, 1379236), (100, 689618), (200, 344809), (499, 138200), (691, 99800), (998, 69100), (1382, 49900), (1996, 34550), (2495, 27640), (2764, 24950), (3455, 19960), (3992, 17275), (4990, 13820), (5528, 12475), (6910, 9980)]