831330280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1889387}}^1$

素因数の和:1889409

約数の個数: 32

約数和(自身を含む): 2040539040

約数和(自身を除く): 1209208760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1889387, 3778774, 7557548, 9446935, 15115096, 18893870, 20783257, 37787740, 41566514, 75575480, 83133028, 103916285, 166266056, 207832570, 415665140, 831330280]

約数ペア:

[(1, 831330280), (2, 415665140), (4, 207832570), (5, 166266056), (8, 103916285), (10, 83133028), (11, 75575480), (20, 41566514), (22, 37787740), (40, 20783257), (44, 18893870), (55, 15115096), (88, 9446935), (110, 7557548), (220, 3778774), (440, 1889387)]