7129100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6481}}^1$

素因数の和:6506

約数の個数: 36

約数和(自身を含む): 16879128

約数和(自身を除く): 9750028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 6481, 12962, 25924, 32405, 64810, 71291, 129620, 142582, 162025, 285164, 324050, 356455, 648100, 712910, 1425820, 1782275, 3564550, 7129100]

約数ペア:

[(1, 7129100), (2, 3564550), (4, 1782275), (5, 1425820), (10, 712910), (11, 648100), (20, 356455), (22, 324050), (25, 285164), (44, 162025), (50, 142582), (55, 129620), (100, 71291), (110, 64810), (220, 32405), (275, 25924), (550, 12962), (1100, 6481)]