207926980

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{27431}}^1$

素因数の和:27819

約数の個数: 24

約数和(自身を含む): 437814720

約数和(自身を除く): 229887740

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 27431, 54862, 109724, 137155, 274310, 548620, 10396349, 20792698, 41585396, 51981745, 103963490, 207926980]

約数ペア:

[(1, 207926980), (2, 103963490), (4, 51981745), (5, 41585396), (10, 20792698), (20, 10396349), (379, 548620), (758, 274310), (1516, 137155), (1895, 109724), (3790, 54862), (7580, 27431)]