1904720270

素因数分解:

$2^1\times 5^1\times {\mathrm{8867}}^1\times {\mathrm{21481}}^1$

素因数の和:30355

約数の個数: 16

約数和(自身を含む): 3429042768

約数和(自身を除く): 1524322498

約数列:

[1, 2, 5, 10, 8867, 17734, 21481, 42962, 44335, 88670, 107405, 214810, 190472027, 380944054, 952360135, 1904720270]

約数ペア:

[(1, 1904720270), (2, 952360135), (5, 380944054), (10, 190472027), (8867, 214810), (17734, 107405), (21481, 88670), (42962, 44335)]