171815240

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{7549}}^1$

素因数の和:8129

約数の個数: 32

約数和(自身を含む): 387315000

約数和(自身を除く): 215499760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 7549, 11380, 15098, 22760, 30196, 37745, 60392, 75490, 150980, 301960, 4295381, 8590762, 17181524, 21476905, 34363048, 42953810, 85907620, 171815240]

約数ペア:

[(1, 171815240), (2, 85907620), (4, 42953810), (5, 34363048), (8, 21476905), (10, 17181524), (20, 8590762), (40, 4295381), (569, 301960), (1138, 150980), (2276, 75490), (2845, 60392), (4552, 37745), (5690, 30196), (7549, 22760), (11380, 15098)]