201317990

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{47819}}^1$

素因数の和:48247

約数の個数: 16

約数和(自身を含む): 363240720

約数和(自身を除く): 161922730

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 47819, 95638, 239095, 478190, 20131799, 40263598, 100658995, 201317990]

約数ペア:

[(1, 201317990), (2, 100658995), (5, 40263598), (10, 20131799), (421, 478190), (842, 239095), (2105, 95638), (4210, 47819)]