1457020

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 3082464

約数和(自身を除く): 1625444

約数列:

[1, 2, 4, 5, 10, 20, 263, 277, 526, 554, 1052, 1108, 1315, 1385, 2630, 2770, 5260, 5540, 72851, 145702, 291404, 364255, 728510, 1457020]

約数ペア:

[(1, 1457020), (2, 728510), (4, 364255), (5, 291404), (10, 145702), (20, 72851), (263, 5540), (277, 5260), (526, 2770), (554, 2630), (1052, 1385), (1108, 1315)]