396220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1801}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 908208

約数和(自身を除く): 511988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1801, 3602, 7204, 9005, 18010, 19811, 36020, 39622, 79244, 99055, 198110, 396220]

約数ペア:

[(1, 396220), (2, 198110), (4, 99055), (5, 79244), (10, 39622), (11, 36020), (20, 19811), (22, 18010), (44, 9005), (55, 7204), (110, 3602), (220, 1801)]