342220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 731808

約数和(自身を除く): 389588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 241, 284, 355, 482, 710, 964, 1205, 1420, 2410, 4820, 17111, 34222, 68444, 85555, 171110, 342220]

約数ペア:

[(1, 342220), (2, 171110), (4, 85555), (5, 68444), (10, 34222), (20, 17111), (71, 4820), (142, 2410), (241, 1420), (284, 1205), (355, 964), (482, 710)]