205723870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18517}}^1$

素因数の和:18636

約数の個数: 32

約数和(自身を含む): 407988576

約数和(自身を除く): 202264706

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 18517, 37034, 92585, 185170, 203687, 407374, 1018435, 1870217, 2036870, 3740434, 9351085, 18702170, 20572387, 41144774, 102861935, 205723870]

約数ペア:

[(1, 205723870), (2, 102861935), (5, 41144774), (10, 20572387), (11, 18702170), (22, 9351085), (55, 3740434), (101, 2036870), (110, 1870217), (202, 1018435), (505, 407374), (1010, 203687), (1111, 185170), (2222, 92585), (5555, 37034), (11110, 18517)]