868225520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571201}}^1$

素因数の和:571233

約数の個数: 40

約数和(自身を含む): 2124871440

約数和(自身を除く): 1256645920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 571201, 1142402, 2284804, 2856005, 4569608, 5712010, 9139216, 10852819, 11424020, 21705638, 22848040, 43411276, 45696080, 54264095, 86822552, 108528190, 173645104, 217056380, 434112760, 868225520]

約数ペア:

[(1, 868225520), (2, 434112760), (4, 217056380), (5, 173645104), (8, 108528190), (10, 86822552), (16, 54264095), (19, 45696080), (20, 43411276), (38, 22848040), (40, 21705638), (76, 11424020), (80, 10852819), (95, 9139216), (152, 5712010), (190, 4569608), (304, 2856005), (380, 2284804), (760, 1142402), (1520, 571201)]