355134620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{2657}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 768948768

約数和(自身を除く): 413814148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1630, 2657, 3260, 5314, 6683, 10628, 13285, 13366, 26570, 26732, 33415, 53140, 66830, 108937, 133660, 217874, 433091, 435748, 544685, 866182, 1089370, 1732364, 2165455, 2178740, 4330910, 8661820, 17756731, 35513462, 71026924, 88783655, 177567310, 355134620]

約数ペア:

[(1, 355134620), (2, 177567310), (4, 88783655), (5, 71026924), (10, 35513462), (20, 17756731), (41, 8661820), (82, 4330910), (163, 2178740), (164, 2165455), (205, 1732364), (326, 1089370), (410, 866182), (652, 544685), (815, 435748), (820, 433091), (1630, 217874), (2657, 133660), (3260, 108937), (5314, 66830), (6683, 53140), (10628, 33415), (13285, 26732), (13366, 26570)]