720291020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2118503}}^1$

素因数の和:2118529

約数の個数: 24

約数和(自身を含む): 1601589024

約数和(自身を除く): 881298004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2118503, 4237006, 8474012, 10592515, 21185030, 36014551, 42370060, 72029102, 144058204, 180072755, 360145510, 720291020]

約数ペア:

[(1, 720291020), (2, 360145510), (4, 180072755), (5, 144058204), (10, 72029102), (17, 42370060), (20, 36014551), (34, 21185030), (68, 10592515), (85, 8474012), (170, 4237006), (340, 2118503)]