258045220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{133013}}^1$

素因数の和:133119

約数の個数: 24

約数和(自身を含む): 547485624

約数和(自身を除く): 289440404

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 133013, 266026, 532052, 665065, 1330130, 2660260, 12902261, 25804522, 51609044, 64511305, 129022610, 258045220]

約数ペア:

[(1, 258045220), (2, 129022610), (4, 64511305), (5, 51609044), (10, 25804522), (20, 12902261), (97, 2660260), (194, 1330130), (388, 665065), (485, 532052), (970, 266026), (1940, 133013)]