320980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1459}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 735840

約数和(自身を除く): 414860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1459, 2918, 5836, 7295, 14590, 16049, 29180, 32098, 64196, 80245, 160490, 320980]

約数ペア:

[(1, 320980), (2, 160490), (4, 80245), (5, 64196), (10, 32098), (11, 29180), (20, 16049), (22, 14590), (44, 7295), (55, 5836), (110, 2918), (220, 1459)]