20140274

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 40953600

約数和(自身を除く): 20813326

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 119, 154, 157, 187, 238, 314, 343, 374, 539, 686, 833, 1078, 1099, 1309, 1666, 1727, 2198, 2618, 2669, 3454, 3773, 5338, 5831, 7546, 7693, 9163, 11662, 12089, 15386, 18326, 18683, 24178, 29359, 37366, 53851, 58718, 64141, 84623, 107702, 128282, 130781, 169246, 205513, 261562, 411026, 592361, 915467, 1184722, 1438591, 1830934, 2877182, 10070137, 20140274]

約数ペア:

[(1, 20140274), (2, 10070137), (7, 2877182), (11, 1830934), (14, 1438591), (17, 1184722), (22, 915467), (34, 592361), (49, 411026), (77, 261562), (98, 205513), (119, 169246), (154, 130781), (157, 128282), (187, 107702), (238, 84623), (314, 64141), (343, 58718), (374, 53851), (539, 37366), (686, 29359), (833, 24178), (1078, 18683), (1099, 18326), (1309, 15386), (1666, 12089), (1727, 11662), (2198, 9163), (2618, 7693), (2669, 7546), (3454, 5831), (3773, 5338)]