179697820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27817}}^1$

素因数の和:27862

約数の個数: 48

約数和(自身を含む): 420608160

約数和(自身を除く): 240910340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 27817, 55634, 111268, 139085, 278170, 472889, 528523, 556340, 945778, 1057046, 1891556, 2114092, 2364445, 2642615, 4728890, 5285230, 8984891, 9457780, 10570460, 17969782, 35939564, 44924455, 89848910, 179697820]

約数ペア:

[(1, 179697820), (2, 89848910), (4, 44924455), (5, 35939564), (10, 17969782), (17, 10570460), (19, 9457780), (20, 8984891), (34, 5285230), (38, 4728890), (68, 2642615), (76, 2364445), (85, 2114092), (95, 1891556), (170, 1057046), (190, 945778), (323, 556340), (340, 528523), (380, 472889), (646, 278170), (1292, 139085), (1615, 111268), (3230, 55634), (6460, 27817)]