207301820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6779}}^1$

素因数の和:6938

約数の個数: 48

約数和(自身を含む): 478396800

約数和(自身を除く): 271094980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 6779, 7645, 13558, 15290, 27116, 30580, 33895, 67790, 74569, 135580, 149138, 298276, 372845, 745690, 942281, 1491380, 1884562, 3769124, 4711405, 9422810, 10365091, 18845620, 20730182, 41460364, 51825455, 103650910, 207301820]

約数ペア:

[(1, 207301820), (2, 103650910), (4, 51825455), (5, 41460364), (10, 20730182), (11, 18845620), (20, 10365091), (22, 9422810), (44, 4711405), (55, 3769124), (110, 1884562), (139, 1491380), (220, 942281), (278, 745690), (556, 372845), (695, 298276), (1390, 149138), (1529, 135580), (2780, 74569), (3058, 67790), (6116, 33895), (6779, 30580), (7645, 27116), (13558, 15290)]