90707990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{221239}}^1$

素因数の和:221287

約数の個数: 16

約数和(自身を含む): 167257440

約数和(自身を除く): 76549450

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 221239, 442478, 1106195, 2212390, 9070799, 18141598, 45353995, 90707990]

約数ペア:

[(1, 90707990), (2, 45353995), (5, 18141598), (10, 9070799), (41, 2212390), (82, 1106195), (205, 442478), (410, 221239)]