161745980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{735209}}^1$

素因数の和:735229

約数の個数: 24

約数和(自身を含む): 370545840

約数和(自身を除く): 208799860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 735209, 1470418, 2940836, 3676045, 7352090, 8087299, 14704180, 16174598, 32349196, 40436495, 80872990, 161745980]

約数ペア:

[(1, 161745980), (2, 80872990), (4, 40436495), (5, 32349196), (10, 16174598), (11, 14704180), (20, 8087299), (22, 7352090), (44, 3676045), (55, 2940836), (110, 1470418), (220, 735209)]