220694090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{218509}}^1$

素因数の和:218617

約数の個数: 16

約数和(自身を含む): 401184360

約数和(自身を除く): 180490270

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 218509, 437018, 1092545, 2185090, 22069409, 44138818, 110347045, 220694090]

約数ペア:

[(1, 220694090), (2, 110347045), (5, 44138818), (10, 22069409), (101, 2185090), (202, 1092545), (505, 437018), (1010, 218509)]