1226960440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{286673}}^1$

素因数の和:286791

約数の個数: 32

約数和(自身を含む): 2786471280

約数和(自身を除く): 1559510840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 286673, 573346, 1146692, 1433365, 2293384, 2866730, 5733460, 11466920, 30674011, 61348022, 122696044, 153370055, 245392088, 306740110, 613480220, 1226960440]

約数ペア:

[(1, 1226960440), (2, 613480220), (4, 306740110), (5, 245392088), (8, 153370055), (10, 122696044), (20, 61348022), (40, 30674011), (107, 11466920), (214, 5733460), (428, 2866730), (535, 2293384), (856, 1433365), (1070, 1146692), (2140, 573346), (4280, 286673)]