199123450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{50411}}^1$

素因数の和:50502

約数の個数: 24

約数和(自身を含む): 375065280

約数和(自身を除く): 175941830

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 50411, 100822, 252055, 504110, 1260275, 2520550, 3982469, 7964938, 19912345, 39824690, 99561725, 199123450]

約数ペア:

[(1, 199123450), (2, 99561725), (5, 39824690), (10, 19912345), (25, 7964938), (50, 3982469), (79, 2520550), (158, 1260275), (395, 504110), (790, 252055), (1975, 100822), (3950, 50411)]