310025980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1409209}}^1$

素因数の和:1409229

約数の個数: 24

約数和(自身を含む): 710241840

約数和(自身を除く): 400215860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1409209, 2818418, 5636836, 7046045, 14092090, 15501299, 28184180, 31002598, 62005196, 77506495, 155012990, 310025980]

約数ペア:

[(1, 310025980), (2, 155012990), (4, 77506495), (5, 62005196), (10, 31002598), (11, 28184180), (20, 15501299), (22, 14092090), (44, 7046045), (55, 5636836), (110, 2818418), (220, 1409209)]