720668431390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{12009139}}^1$

素因数の和:12009516

約数の個数: 32

約数和(自身を含む): 1377400321440

約数和(自身を除く): 656731890050

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 353, 706, 1765, 3530, 6001, 12002, 30005, 60010, 12009139, 24018278, 60045695, 120091390, 204155363, 408310726, 1020776815, 2041553630, 4239226067, 8478452134, 21196130335, 42392260670, 72066843139, 144133686278, 360334215695, 720668431390]

約数ペア:

[(1, 720668431390), (2, 360334215695), (5, 144133686278), (10, 72066843139), (17, 42392260670), (34, 21196130335), (85, 8478452134), (170, 4239226067), (353, 2041553630), (706, 1020776815), (1765, 408310726), (3530, 204155363), (6001, 120091390), (12002, 60045695), (30005, 24018278), (60010, 12009139)]