850291220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{538159}}^1$

素因数の和:538247

約数の個数: 24

約数和(自身を含む): 1808217600

約数和(自身を除く): 957926380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 538159, 1076318, 2152636, 2690795, 5381590, 10763180, 42514561, 85029122, 170058244, 212572805, 425145610, 850291220]

約数ペア:

[(1, 850291220), (2, 425145610), (4, 212572805), (5, 170058244), (10, 85029122), (20, 42514561), (79, 10763180), (158, 5381590), (316, 2690795), (395, 2152636), (790, 1076318), (1580, 538159)]