172045220

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{17239}}^1$

素因数の和:17747

約数の個数: 24

約数和(自身を含む): 362040000

約数和(自身を除く): 189994780

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 17239, 34478, 68956, 86195, 172390, 344780, 8602261, 17204522, 34409044, 43011305, 86022610, 172045220]

約数ペア:

[(1, 172045220), (2, 86022610), (4, 43011305), (5, 34409044), (10, 17204522), (20, 8602261), (499, 344780), (998, 172390), (1996, 86195), (2495, 68956), (4990, 34478), (9980, 17239)]