393140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 901152

約数和(自身を除く): 508012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1787, 3574, 7148, 8935, 17870, 19657, 35740, 39314, 78628, 98285, 196570, 393140]

約数ペア:

[(1, 393140), (2, 196570), (4, 98285), (5, 78628), (10, 39314), (11, 35740), (20, 19657), (22, 17870), (44, 8935), (55, 7148), (110, 3574), (220, 1787)]