123500390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2819}}^1$

素因数の和:3176

約数の個数: 32

約数和(自身を含む): 240196320

約数和(自身を除く): 116695930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 674, 1685, 2819, 3370, 4381, 5638, 8762, 14095, 21905, 28190, 36647, 43810, 73294, 183235, 366470, 950003, 1900006, 4750015, 9500030, 12350039, 24700078, 61750195, 123500390]

約数ペア:

[(1, 123500390), (2, 61750195), (5, 24700078), (10, 12350039), (13, 9500030), (26, 4750015), (65, 1900006), (130, 950003), (337, 366470), (674, 183235), (1685, 73294), (2819, 43810), (3370, 36647), (4381, 28190), (5638, 21905), (8762, 14095)]