858684740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{3917}}^1$

素因数の和:4136

約数の個数: 48

約数和(自身を含む): 1838419632

約数和(自身を除く): 979734892

約数列:

[1, 2, 4, 5, 10, 20, 97, 113, 194, 226, 388, 452, 485, 565, 970, 1130, 1940, 2260, 3917, 7834, 10961, 15668, 19585, 21922, 39170, 43844, 54805, 78340, 109610, 219220, 379949, 442621, 759898, 885242, 1519796, 1770484, 1899745, 2213105, 3799490, 4426210, 7598980, 8852420, 42934237, 85868474, 171736948, 214671185, 429342370, 858684740]

約数ペア:

[(1, 858684740), (2, 429342370), (4, 214671185), (5, 171736948), (10, 85868474), (20, 42934237), (97, 8852420), (113, 7598980), (194, 4426210), (226, 3799490), (388, 2213105), (452, 1899745), (485, 1770484), (565, 1519796), (970, 885242), (1130, 759898), (1940, 442621), (2260, 379949), (3917, 219220), (7834, 109610), (10961, 78340), (15668, 54805), (19585, 43844), (21922, 39170)]