205072360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{301577}}^1$

素因数の和:301605

約数の個数: 32

約数和(自身を含む): 488556360

約数和(自身を除く): 283484000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 301577, 603154, 1206308, 1507885, 2412616, 3015770, 5126809, 6031540, 10253618, 12063080, 20507236, 25634045, 41014472, 51268090, 102536180, 205072360]

約数ペア:

[(1, 205072360), (2, 102536180), (4, 51268090), (5, 41014472), (8, 25634045), (10, 20507236), (17, 12063080), (20, 10253618), (34, 6031540), (40, 5126809), (68, 3015770), (85, 2412616), (136, 1507885), (170, 1206308), (340, 603154), (680, 301577)]