279794020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1271791}}^1$

素因数の和:1271811

約数の個数: 24

約数和(自身を含む): 640983168

約数和(自身を除く): 361189148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1271791, 2543582, 5087164, 6358955, 12717910, 13989701, 25435820, 27979402, 55958804, 69948505, 139897010, 279794020]

約数ペア:

[(1, 279794020), (2, 139897010), (4, 69948505), (5, 55958804), (10, 27979402), (11, 25435820), (20, 13989701), (22, 12717910), (44, 6358955), (55, 5087164), (110, 2543582), (220, 1271791)]