636140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 1415232

約数和(自身を除く): 779092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1871, 3742, 7484, 9355, 18710, 31807, 37420, 63614, 127228, 159035, 318070, 636140]

約数ペア:

[(1, 636140), (2, 318070), (4, 159035), (5, 127228), (10, 63614), (17, 37420), (20, 31807), (34, 18710), (68, 9355), (85, 7484), (170, 3742), (340, 1871)]