312522040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{56209}}^1$

素因数の和:56359

約数の個数: 32

約数和(自身を含む): 708246000

約数和(自身を除く): 395723960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 56209, 112418, 224836, 281045, 449672, 562090, 1124180, 2248360, 7813051, 15626102, 31252204, 39065255, 62504408, 78130510, 156261020, 312522040]

約数ペア:

[(1, 312522040), (2, 156261020), (4, 78130510), (5, 62504408), (8, 39065255), (10, 31252204), (20, 15626102), (40, 7813051), (139, 2248360), (278, 1124180), (556, 562090), (695, 449672), (1112, 281045), (1390, 224836), (2780, 112418), (5560, 56209)]