822890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 1607040

約数和(自身を除く): 784150

約数列:

[1, 2, 5, 10, 19, 38, 61, 71, 95, 122, 142, 190, 305, 355, 610, 710, 1159, 1349, 2318, 2698, 4331, 5795, 6745, 8662, 11590, 13490, 21655, 43310, 82289, 164578, 411445, 822890]

約数ペア:

[(1, 822890), (2, 411445), (5, 164578), (10, 82289), (19, 43310), (38, 21655), (61, 13490), (71, 11590), (95, 8662), (122, 6745), (142, 5795), (190, 4331), (305, 2698), (355, 2318), (610, 1349), (710, 1159)]