149049920

素因数分解:

$2^6\times 5^1\times {\mathrm{465781}}^1$

素因数の和:465798

約数の個数: 28

約数和(自身を含む): 354925884

約数和(自身を除く): 205875964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 465781, 931562, 1863124, 2328905, 3726248, 4657810, 7452496, 9315620, 14904992, 18631240, 29809984, 37262480, 74524960, 149049920]

約数ペア:

[(1, 149049920), (2, 74524960), (4, 37262480), (5, 29809984), (8, 18631240), (10, 14904992), (16, 9315620), (20, 7452496), (32, 4657810), (40, 3726248), (64, 2328905), (80, 1863124), (160, 931562), (320, 465781)]