2787805220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1437013}}^1$

素因数の和:1437119

約数の個数: 24

約数和(自身を含む): 5914749624

約数和(自身を除く): 3126944404

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 1437013, 2874026, 5748052, 7185065, 14370130, 28740260, 139390261, 278780522, 557561044, 696951305, 1393902610, 2787805220]

約数ペア:

[(1, 2787805220), (2, 1393902610), (4, 696951305), (5, 557561044), (10, 278780522), (20, 139390261), (97, 28740260), (194, 14370130), (388, 7185065), (485, 5748052), (970, 2874026), (1940, 1437013)]