29980760

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7727}}^1$

素因数の和:7835

約数の個数: 32

約数和(自身を含む): 68160960

約数和(自身を除く): 38180200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 7727, 15454, 30908, 38635, 61816, 77270, 154540, 309080, 749519, 1499038, 2998076, 3747595, 5996152, 7495190, 14990380, 29980760]

約数ペア:

[(1, 29980760), (2, 14990380), (4, 7495190), (5, 5996152), (8, 3747595), (10, 2998076), (20, 1499038), (40, 749519), (97, 309080), (194, 154540), (388, 77270), (485, 61816), (776, 38635), (970, 30908), (1940, 15454), (3880, 7727)]