207905980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{547121}}^1$

素因数の和:547149

約数の個数: 24

約数和(自身を含む): 459582480

約数和(自身を除く): 251676500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 547121, 1094242, 2188484, 2735605, 5471210, 10395299, 10942420, 20790598, 41581196, 51976495, 103952990, 207905980]

約数ペア:

[(1, 207905980), (2, 103952990), (4, 51976495), (5, 41581196), (10, 20790598), (19, 10942420), (20, 10395299), (38, 5471210), (76, 2735605), (95, 2188484), (190, 1094242), (380, 547121)]