310780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 670320

約数和(自身を除く): 359540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 379, 410, 758, 820, 1516, 1895, 3790, 7580, 15539, 31078, 62156, 77695, 155390, 310780]

約数ペア:

[(1, 310780), (2, 155390), (4, 77695), (5, 62156), (10, 31078), (20, 15539), (41, 7580), (82, 3790), (164, 1895), (205, 1516), (379, 820), (410, 758)]