2149778840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4885861}}^1$

素因数の和:4885883

約数の個数: 32

約数和(自身を含む): 5276730960

約数和(自身を除く): 3126952120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4885861, 9771722, 19543444, 24429305, 39086888, 48858610, 53744471, 97717220, 107488942, 195434440, 214977884, 268722355, 429955768, 537444710, 1074889420, 2149778840]

約数ペア:

[(1, 2149778840), (2, 1074889420), (4, 537444710), (5, 429955768), (8, 268722355), (10, 214977884), (11, 195434440), (20, 107488942), (22, 97717220), (40, 53744471), (44, 48858610), (55, 39086888), (88, 24429305), (110, 19543444), (220, 9771722), (440, 4885861)]