188387980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{856309}}^1$

素因数の和:856329

約数の個数: 24

約数和(自身を含む): 431580240

約数和(自身を除く): 243192260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 856309, 1712618, 3425236, 4281545, 8563090, 9419399, 17126180, 18838798, 37677596, 47096995, 94193990, 188387980]

約数ペア:

[(1, 188387980), (2, 94193990), (4, 47096995), (5, 37677596), (10, 18838798), (11, 17126180), (20, 9419399), (22, 8563090), (44, 4281545), (55, 3425236), (110, 1712618), (220, 856309)]