72445940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517471}}^1$

素因数の和:517487

約数の個数: 24

約数和(自身を含む): 173870592

約数和(自身を除く): 101424652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517471, 1034942, 2069884, 2587355, 3622297, 5174710, 7244594, 10349420, 14489188, 18111485, 36222970, 72445940]

約数ペア:

[(1, 72445940), (2, 36222970), (4, 18111485), (5, 14489188), (7, 10349420), (10, 7244594), (14, 5174710), (20, 3622297), (28, 2587355), (35, 2069884), (70, 1034942), (140, 517471)]