89047940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 190702512

約数和(自身を除く): 101654572

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 197, 233, 388, 394, 466, 485, 788, 932, 970, 985, 1165, 1940, 1970, 2330, 3940, 4660, 19109, 22601, 38218, 45202, 45901, 76436, 90404, 91802, 95545, 113005, 183604, 191090, 226010, 229505, 382180, 452020, 459010, 918020, 4452397, 8904794, 17809588, 22261985, 44523970, 89047940]

約数ペア:

[(1, 89047940), (2, 44523970), (4, 22261985), (5, 17809588), (10, 8904794), (20, 4452397), (97, 918020), (194, 459010), (197, 452020), (233, 382180), (388, 229505), (394, 226010), (466, 191090), (485, 183604), (788, 113005), (932, 95545), (970, 91802), (985, 90404), (1165, 76436), (1940, 45901), (1970, 45202), (2330, 38218), (3940, 22601), (4660, 19109)]