248394540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4139909}}^1$

素因数の和:4139921

約数の個数: 24

約数和(自身を含む): 695504880

約数和(自身を除く): 447110340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4139909, 8279818, 12419727, 16559636, 20699545, 24839454, 41399090, 49678908, 62098635, 82798180, 124197270, 248394540]

約数ペア:

[(1, 248394540), (2, 124197270), (3, 82798180), (4, 62098635), (5, 49678908), (6, 41399090), (10, 24839454), (12, 20699545), (15, 16559636), (20, 12419727), (30, 8279818), (60, 4139909)]