30399820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138181}}^1$

素因数の和:138201

約数の個数: 24

約数和(自身を含む): 69643728

約数和(自身を除く): 39243908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 138181, 276362, 552724, 690905, 1381810, 1519991, 2763620, 3039982, 6079964, 7599955, 15199910, 30399820]

約数ペア:

[(1, 30399820), (2, 15199910), (4, 7599955), (5, 6079964), (10, 3039982), (11, 2763620), (20, 1519991), (22, 1381810), (44, 690905), (55, 552724), (110, 276362), (220, 138181)]