218905175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27109}}^1$

素因数の和:27155

約数の個数: 24

約数和(自身を含む): 302547600

約数和(自身を除く): 83642425

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 27109, 135545, 460853, 515071, 677725, 2304265, 2575355, 8756207, 11521325, 12876775, 43781035, 218905175]

約数ペア:

[(1, 218905175), (5, 43781035), (17, 12876775), (19, 11521325), (25, 8756207), (85, 2575355), (95, 2304265), (323, 677725), (425, 515071), (475, 460853), (1615, 135545), (8075, 27109)]