72418780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517277}}^1$

素因数の和:517293

約数の個数: 24

約数和(自身を含む): 173805408

約数和(自身を除く): 101386628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517277, 1034554, 2069108, 2586385, 3620939, 5172770, 7241878, 10345540, 14483756, 18104695, 36209390, 72418780]

約数ペア:

[(1, 72418780), (2, 36209390), (4, 18104695), (5, 14483756), (7, 10345540), (10, 7241878), (14, 5172770), (20, 3620939), (28, 2586385), (35, 2069108), (70, 1034554), (140, 517277)]