79272380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{881}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 182256480

約数和(自身を除く): 102984100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 881, 1636, 1762, 2045, 3524, 4090, 4405, 4499, 8180, 8810, 8998, 9691, 17620, 17996, 19382, 22495, 38764, 44990, 48455, 89980, 96910, 193820, 360329, 720658, 1441316, 1801645, 3603290, 3963619, 7206580, 7927238, 15854476, 19818095, 39636190, 79272380]

約数ペア:

[(1, 79272380), (2, 39636190), (4, 19818095), (5, 15854476), (10, 7927238), (11, 7206580), (20, 3963619), (22, 3603290), (44, 1801645), (55, 1441316), (110, 720658), (220, 360329), (409, 193820), (818, 96910), (881, 89980), (1636, 48455), (1762, 44990), (2045, 38764), (3524, 22495), (4090, 19382), (4405, 17996), (4499, 17620), (8180, 9691), (8810, 8998)]