199948390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{28687}}^1$

素因数の和:28752

約数の個数: 32

約数和(自身を含む): 390386304

約数和(自身を除く): 190437914

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 28687, 57374, 143435, 286870, 487679, 975358, 1176167, 2352334, 2438395, 4876790, 5880835, 11761670, 19994839, 39989678, 99974195, 199948390]

約数ペア:

[(1, 199948390), (2, 99974195), (5, 39989678), (10, 19994839), (17, 11761670), (34, 5880835), (41, 4876790), (82, 2438395), (85, 2352334), (170, 1176167), (205, 975358), (410, 487679), (697, 286870), (1394, 143435), (3485, 57374), (6970, 28687)]