11899820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 26012448

約数和(自身を除く): 14112628

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 137, 172, 202, 215, 274, 404, 430, 505, 548, 685, 860, 1010, 1370, 2020, 2740, 4343, 5891, 8686, 11782, 13837, 17372, 21715, 23564, 27674, 29455, 43430, 55348, 58910, 69185, 86860, 117820, 138370, 276740, 594991, 1189982, 2379964, 2974955, 5949910, 11899820]

約数ペア:

[(1, 11899820), (2, 5949910), (4, 2974955), (5, 2379964), (10, 1189982), (20, 594991), (43, 276740), (86, 138370), (101, 117820), (137, 86860), (172, 69185), (202, 58910), (215, 55348), (274, 43430), (404, 29455), (430, 27674), (505, 23564), (548, 21715), (685, 17372), (860, 13837), (1010, 11782), (1370, 8686), (2020, 5891), (2740, 4343)]