312088220

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{8081}}^1$

素因数の和:10021

約数の個数: 24

約数和(自身を含む): 655805808

約数和(自身を除く): 343717588

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7724, 8081, 9655, 16162, 19310, 32324, 38620, 40405, 80810, 161620, 15604411, 31208822, 62417644, 78022055, 156044110, 312088220]

約数ペア:

[(1, 312088220), (2, 156044110), (4, 78022055), (5, 62417644), (10, 31208822), (20, 15604411), (1931, 161620), (3862, 80810), (7724, 40405), (8081, 38620), (9655, 32324), (16162, 19310)]