199514420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61961}}^1$

素因数の和:62000

約数の個数: 48

約数和(自身を含む): 499661568

約数和(自身を除く): 300147148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 61961, 123922, 247844, 309805, 433727, 619610, 867454, 1239220, 1425103, 1734908, 2168635, 2850206, 4337270, 5700412, 7125515, 8674540, 9975721, 14251030, 19951442, 28502060, 39902884, 49878605, 99757210, 199514420]

約数ペア:

[(1, 199514420), (2, 99757210), (4, 49878605), (5, 39902884), (7, 28502060), (10, 19951442), (14, 14251030), (20, 9975721), (23, 8674540), (28, 7125515), (35, 5700412), (46, 4337270), (70, 2850206), (92, 2168635), (115, 1734908), (140, 1425103), (161, 1239220), (230, 867454), (322, 619610), (460, 433727), (644, 309805), (805, 247844), (1610, 123922), (3220, 61961)]