28701020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 64834560

約数和(自身を除く): 36133540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1607, 1786, 3214, 3572, 4465, 6428, 8035, 8930, 16070, 17860, 30533, 32140, 61066, 75529, 122132, 151058, 152665, 302116, 305330, 377645, 610660, 755290, 1435051, 1510580, 2870102, 5740204, 7175255, 14350510, 28701020]

約数ペア:

[(1, 28701020), (2, 14350510), (4, 7175255), (5, 5740204), (10, 2870102), (19, 1510580), (20, 1435051), (38, 755290), (47, 610660), (76, 377645), (94, 305330), (95, 302116), (188, 152665), (190, 151058), (235, 122132), (380, 75529), (470, 61066), (893, 32140), (940, 30533), (1607, 17860), (1786, 16070), (3214, 8930), (3572, 8035), (4465, 6428)]