100136980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 215744256

約数和(自身を除く): 115607276

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 485, 710, 727, 970, 1420, 1454, 1940, 2908, 3635, 6887, 7270, 13774, 14540, 27548, 34435, 51617, 68870, 70519, 103234, 137740, 141038, 206468, 258085, 282076, 352595, 516170, 705190, 1032340, 1410380, 5006849, 10013698, 20027396, 25034245, 50068490, 100136980]

約数ペア:

[(1, 100136980), (2, 50068490), (4, 25034245), (5, 20027396), (10, 10013698), (20, 5006849), (71, 1410380), (97, 1032340), (142, 705190), (194, 516170), (284, 352595), (355, 282076), (388, 258085), (485, 206468), (710, 141038), (727, 137740), (970, 103234), (1420, 70519), (1454, 68870), (1940, 51617), (2908, 34435), (3635, 27548), (6887, 14540), (7270, 13774)]