218363420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{992561}}^1$

素因数の和:992581

約数の個数: 24

約数和(自身を含む): 500251248

約数和(自身を除く): 281887828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 992561, 1985122, 3970244, 4962805, 9925610, 10918171, 19851220, 21836342, 43672684, 54590855, 109181710, 218363420]

約数ペア:

[(1, 218363420), (2, 109181710), (4, 54590855), (5, 43672684), (10, 21836342), (11, 19851220), (20, 10918171), (22, 9925610), (44, 4962805), (55, 3970244), (110, 1985122), (220, 992561)]