28420900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{6047}}^1$

素因数の和:6108

約数の個数: 36

約数和(自身を含む): 62995968

約数和(自身を除く): 34575068

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4700, 6047, 12094, 24188, 30235, 60470, 120940, 151175, 284209, 302350, 568418, 604700, 1136836, 1421045, 2842090, 5684180, 7105225, 14210450, 28420900]

約数ペア:

[(1, 28420900), (2, 14210450), (4, 7105225), (5, 5684180), (10, 2842090), (20, 1421045), (25, 1136836), (47, 604700), (50, 568418), (94, 302350), (100, 284209), (188, 151175), (235, 120940), (470, 60470), (940, 30235), (1175, 24188), (2350, 12094), (4700, 6047)]