220158620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1000721}}^1$

素因数の和:1000741

約数の個数: 24

約数和(自身を含む): 504363888

約数和(自身を除く): 284205268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1000721, 2001442, 4002884, 5003605, 10007210, 11007931, 20014420, 22015862, 44031724, 55039655, 110079310, 220158620]

約数ペア:

[(1, 220158620), (2, 110079310), (4, 55039655), (5, 44031724), (10, 22015862), (11, 20014420), (20, 11007931), (22, 10007210), (44, 5003605), (55, 4002884), (110, 2001442), (220, 1000721)]