208601980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{709}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 449447040

約数和(自身を除く): 240845060

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 313, 470, 626, 709, 940, 1252, 1418, 1565, 2836, 3130, 3545, 6260, 7090, 14180, 14711, 29422, 33323, 58844, 66646, 73555, 133292, 147110, 166615, 221917, 294220, 333230, 443834, 666460, 887668, 1109585, 2219170, 4438340, 10430099, 20860198, 41720396, 52150495, 104300990, 208601980]

約数ペア:

[(1, 208601980), (2, 104300990), (4, 52150495), (5, 41720396), (10, 20860198), (20, 10430099), (47, 4438340), (94, 2219170), (188, 1109585), (235, 887668), (313, 666460), (470, 443834), (626, 333230), (709, 294220), (940, 221917), (1252, 166615), (1418, 147110), (1565, 133292), (2836, 73555), (3130, 66646), (3545, 58844), (6260, 33323), (7090, 29422), (14180, 14711)]