388617980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{670031}}^1$

素因数の和:670069

約数の個数: 24

約数和(自身を含む): 844240320

約数和(自身を除く): 455622340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 670031, 1340062, 2680124, 3350155, 6700310, 13400620, 19430899, 38861798, 77723596, 97154495, 194308990, 388617980]

約数ペア:

[(1, 388617980), (2, 194308990), (4, 97154495), (5, 77723596), (10, 38861798), (20, 19430899), (29, 13400620), (58, 6700310), (116, 3350155), (145, 2680124), (290, 1340062), (580, 670031)]