244992460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{644717}}^1$

素因数の和:644745

約数の個数: 24

約数和(自身を含む): 541563120

約数和(自身を除く): 296570660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 644717, 1289434, 2578868, 3223585, 6447170, 12249623, 12894340, 24499246, 48998492, 61248115, 122496230, 244992460]

約数ペア:

[(1, 244992460), (2, 122496230), (4, 61248115), (5, 48998492), (10, 24499246), (19, 12894340), (20, 12249623), (38, 6447170), (76, 3223585), (95, 2578868), (190, 1289434), (380, 644717)]