320073215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{5981}}^1$

素因数の和:6143

約数の個数: 32

約数和(自身を含む): 482388480

約数和(自身を除く): 162315265

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 695, 973, 1529, 4865, 5981, 7645, 10703, 29905, 41867, 53515, 65791, 209335, 328955, 460537, 831359, 2302685, 4156795, 5819513, 9144949, 29097565, 45724745, 64014643, 320073215]

約数ペア:

[(1, 320073215), (5, 64014643), (7, 45724745), (11, 29097565), (35, 9144949), (55, 5819513), (77, 4156795), (139, 2302685), (385, 831359), (695, 460537), (973, 328955), (1529, 209335), (4865, 65791), (5981, 53515), (7645, 41867), (10703, 29905)]