122459620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149341}}^1$

素因数の和:149391

約数の個数: 24

約数和(自身を含む): 263439288

約数和(自身を除く): 140979668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 149341, 298682, 597364, 746705, 1493410, 2986820, 6122981, 12245962, 24491924, 30614905, 61229810, 122459620]

約数ペア:

[(1, 122459620), (2, 61229810), (4, 30614905), (5, 24491924), (10, 12245962), (20, 6122981), (41, 2986820), (82, 1493410), (164, 746705), (205, 597364), (410, 298682), (820, 149341)]