29989220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78919}}^1$

素因数の和:78947

約数の個数: 24

約数和(自身を含む): 66292800

約数和(自身を除く): 36303580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 78919, 157838, 315676, 394595, 789190, 1499461, 1578380, 2998922, 5997844, 7497305, 14994610, 29989220]

約数ペア:

[(1, 29989220), (2, 14994610), (4, 7497305), (5, 5997844), (10, 2998922), (19, 1578380), (20, 1499461), (38, 789190), (76, 394595), (95, 315676), (190, 157838), (380, 78919)]