8879380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 19756800

約数和(自身を除く): 10877420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 199, 230, 388, 398, 460, 485, 796, 970, 995, 1940, 1990, 2231, 3980, 4462, 4577, 8924, 9154, 11155, 18308, 19303, 22310, 22885, 38606, 44620, 45770, 77212, 91540, 96515, 193030, 386060, 443969, 887938, 1775876, 2219845, 4439690, 8879380]

約数ペア:

[(1, 8879380), (2, 4439690), (4, 2219845), (5, 1775876), (10, 887938), (20, 443969), (23, 386060), (46, 193030), (92, 96515), (97, 91540), (115, 77212), (194, 45770), (199, 44620), (230, 38606), (388, 22885), (398, 22310), (460, 19303), (485, 18308), (796, 11155), (970, 9154), (995, 8924), (1940, 4577), (1990, 4462), (2231, 3980)]