205768310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18521}}^1$

素因数の和:18640

約数の個数: 32

約数和(自身を含む): 408076704

約数和(自身を除く): 202308394

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 18521, 37042, 92605, 185210, 203731, 407462, 1018655, 1870621, 2037310, 3741242, 9353105, 18706210, 20576831, 41153662, 102884155, 205768310]

約数ペア:

[(1, 205768310), (2, 102884155), (5, 41153662), (10, 20576831), (11, 18706210), (22, 9353105), (55, 3741242), (101, 2037310), (110, 1870621), (202, 1018655), (505, 407462), (1010, 203731), (1111, 185210), (2222, 92605), (5555, 37042), (11110, 18521)]