665214340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{115891}}^1$

素因数の和:115948

約数の個数: 48

約数和(自身を含む): 1635467904

約数和(自身を除く): 970253564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 115891, 231782, 463564, 579455, 811237, 1158910, 1622474, 2317820, 3244948, 4056185, 4751531, 8112370, 9503062, 16224740, 19006124, 23757655, 33260717, 47515310, 66521434, 95030620, 133042868, 166303585, 332607170, 665214340]

約数ペア:

[(1, 665214340), (2, 332607170), (4, 166303585), (5, 133042868), (7, 95030620), (10, 66521434), (14, 47515310), (20, 33260717), (28, 23757655), (35, 19006124), (41, 16224740), (70, 9503062), (82, 8112370), (140, 4751531), (164, 4056185), (205, 3244948), (287, 2317820), (410, 1622474), (574, 1158910), (820, 811237), (1148, 579455), (1435, 463564), (2870, 231782), (5740, 115891)]