1992980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9059}}^1$

素因数の和:9079

約数の個数: 24

約数和(自身を含む): 4566240

約数和(自身を除く): 2573260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9059, 18118, 36236, 45295, 90590, 99649, 181180, 199298, 398596, 498245, 996490, 1992980]

約数ペア:

[(1, 1992980), (2, 996490), (4, 498245), (5, 398596), (10, 199298), (11, 181180), (20, 99649), (22, 90590), (44, 45295), (55, 36236), (110, 18118), (220, 9059)]