1000390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1487

約数の個数: 16

約数和(自身を含む): 1827360

約数和(自身を除く): 826970

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1409, 2818, 7045, 14090, 100039, 200078, 500195, 1000390]

約数ペア:

[(1, 1000390), (2, 500195), (5, 200078), (10, 100039), (71, 14090), (142, 7045), (355, 2818), (710, 1409)]