30017620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{15473}}^1$

素因数の和:15579

約数の個数: 24

約数和(自身を含む): 63690984

約数和(自身を除く): 33673364

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 15473, 30946, 61892, 77365, 154730, 309460, 1500881, 3001762, 6003524, 7504405, 15008810, 30017620]

約数ペア:

[(1, 30017620), (2, 15008810), (4, 7504405), (5, 6003524), (10, 3001762), (20, 1500881), (97, 309460), (194, 154730), (388, 77365), (485, 61892), (970, 30946), (1940, 15473)]