138090910

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 252149760

約数和(自身を除く): 114058850

約数列:

[1, 2, 5, 10, 127, 227, 254, 454, 479, 635, 958, 1135, 1270, 2270, 2395, 4790, 28829, 57658, 60833, 108733, 121666, 144145, 217466, 288290, 304165, 543665, 608330, 1087330, 13809091, 27618182, 69045455, 138090910]

約数ペア:

[(1, 138090910), (2, 69045455), (5, 27618182), (10, 13809091), (127, 1087330), (227, 608330), (254, 543665), (454, 304165), (479, 288290), (635, 217466), (958, 144145), (1135, 121666), (1270, 108733), (2270, 60833), (2395, 57658), (4790, 28829)]