220550170

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{79621}}^1$

素因数の和:79905

約数の個数: 16

約数和(自身を含む): 398428488

約数和(自身を除く): 177878318

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 79621, 159242, 398105, 796210, 22055017, 44110034, 110275085, 220550170]

約数ペア:

[(1, 220550170), (2, 110275085), (5, 44110034), (10, 22055017), (277, 796210), (554, 398105), (1385, 159242), (2770, 79621)]