4909220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12919}}^1$

素因数の和:12947

約数の個数: 24

約数和(自身を含む): 10852800

約数和(自身を除く): 5943580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 12919, 25838, 51676, 64595, 129190, 245461, 258380, 490922, 981844, 1227305, 2454610, 4909220]

約数ペア:

[(1, 4909220), (2, 2454610), (4, 1227305), (5, 981844), (10, 490922), (19, 258380), (20, 245461), (38, 129190), (76, 64595), (95, 51676), (190, 25838), (380, 12919)]