103725980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 222329856

約数和(自身を除く): 118603876

約数列:

[1, 2, 4, 5, 10, 20, 97, 127, 194, 254, 388, 421, 485, 508, 635, 842, 970, 1270, 1684, 1940, 2105, 2540, 4210, 8420, 12319, 24638, 40837, 49276, 53467, 61595, 81674, 106934, 123190, 163348, 204185, 213868, 246380, 267335, 408370, 534670, 816740, 1069340, 5186299, 10372598, 20745196, 25931495, 51862990, 103725980]

約数ペア:

[(1, 103725980), (2, 51862990), (4, 25931495), (5, 20745196), (10, 10372598), (20, 5186299), (97, 1069340), (127, 816740), (194, 534670), (254, 408370), (388, 267335), (421, 246380), (485, 213868), (508, 204185), (635, 163348), (842, 123190), (970, 106934), (1270, 81674), (1684, 61595), (1940, 53467), (2105, 49276), (2540, 40837), (4210, 24638), (8420, 12319)]