636820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1873}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 1416744

約数和(自身を除く): 779924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1873, 3746, 7492, 9365, 18730, 31841, 37460, 63682, 127364, 159205, 318410, 636820]

約数ペア:

[(1, 636820), (2, 318410), (4, 159205), (5, 127364), (10, 63682), (17, 37460), (20, 31841), (34, 18730), (68, 9365), (85, 7492), (170, 3746), (340, 1873)]