201690410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{4001}}^1$

素因数の和:4150

約数の個数: 24

約数和(自身を含む): 368320068

約数和(自身を除く): 166629658

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 4001, 5041, 8002, 10082, 20005, 25205, 40010, 50410, 284071, 568142, 1420355, 2840710, 20169041, 40338082, 100845205, 201690410]

約数ペア:

[(1, 201690410), (2, 100845205), (5, 40338082), (10, 20169041), (71, 2840710), (142, 1420355), (355, 568142), (710, 284071), (4001, 50410), (5041, 40010), (8002, 25205), (10082, 20005)]