220125980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113467}}^1$

素因数の和:113573

約数の個数: 24

約数和(自身を含む): 467034288

約数和(自身を除く): 246908308

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 113467, 226934, 453868, 567335, 1134670, 2269340, 11006299, 22012598, 44025196, 55031495, 110062990, 220125980]

約数ペア:

[(1, 220125980), (2, 110062990), (4, 55031495), (5, 44025196), (10, 22012598), (20, 11006299), (97, 2269340), (194, 1134670), (388, 567335), (485, 453868), (970, 226934), (1940, 113467)]