30819910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25471}}^1$

素因数の和:25500

約数の個数: 24

約数和(自身を含む): 60979968

約数和(自身を除く): 30160058

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 25471, 50942, 127355, 254710, 280181, 560362, 1400905, 2801810, 3081991, 6163982, 15409955, 30819910]

約数ペア:

[(1, 30819910), (2, 15409955), (5, 6163982), (10, 3081991), (11, 2801810), (22, 1400905), (55, 560362), (110, 280181), (121, 254710), (242, 127355), (605, 50942), (1210, 25471)]