137847380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1231}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 316673280

約数和(自身を除く): 178825900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 509, 1018, 1231, 2036, 2462, 2545, 4924, 5090, 5599, 6155, 10180, 11198, 12310, 13541, 22396, 24620, 27082, 27995, 54164, 55990, 67705, 111980, 135410, 270820, 626579, 1253158, 2506316, 3132895, 6265790, 6892369, 12531580, 13784738, 27569476, 34461845, 68923690, 137847380]

約数ペア:

[(1, 137847380), (2, 68923690), (4, 34461845), (5, 27569476), (10, 13784738), (11, 12531580), (20, 6892369), (22, 6265790), (44, 3132895), (55, 2506316), (110, 1253158), (220, 626579), (509, 270820), (1018, 135410), (1231, 111980), (2036, 67705), (2462, 55990), (2545, 54164), (4924, 27995), (5090, 27082), (5599, 24620), (6155, 22396), (10180, 13541), (11198, 12310)]