149749820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{680681}}^1$

素因数の和:680701

約数の個数: 24

約数和(自身を含む): 343063728

約数和(自身を除く): 193313908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 680681, 1361362, 2722724, 3403405, 6806810, 7487491, 13613620, 14974982, 29949964, 37437455, 74874910, 149749820]

約数ペア:

[(1, 149749820), (2, 74874910), (4, 37437455), (5, 29949964), (10, 14974982), (11, 13613620), (20, 7487491), (22, 6806810), (44, 3403405), (55, 2722724), (110, 1361362), (220, 680681)]