619820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 1378944

約数和(自身を除く): 759124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1823, 3646, 7292, 9115, 18230, 30991, 36460, 61982, 123964, 154955, 309910, 619820]

約数ペア:

[(1, 619820), (2, 309910), (4, 154955), (5, 123964), (10, 61982), (17, 36460), (20, 30991), (34, 18230), (68, 9115), (85, 7292), (170, 3646), (340, 1823)]