206870450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1451

約数の個数: 48

約数和(自身を含む): 409795200

約数和(自身を除く): 202924750

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 199, 398, 425, 850, 995, 1223, 1990, 2446, 3383, 4975, 6115, 6766, 9950, 12230, 16915, 20791, 30575, 33830, 41582, 61150, 84575, 103955, 169150, 207910, 243377, 486754, 519775, 1039550, 1216885, 2433770, 4137409, 6084425, 8274818, 12168850, 20687045, 41374090, 103435225, 206870450]

約数ペア:

[(1, 206870450), (2, 103435225), (5, 41374090), (10, 20687045), (17, 12168850), (25, 8274818), (34, 6084425), (50, 4137409), (85, 2433770), (170, 1216885), (199, 1039550), (398, 519775), (425, 486754), (850, 243377), (995, 207910), (1223, 169150), (1990, 103955), (2446, 84575), (3383, 61150), (4975, 41582), (6115, 33830), (6766, 30575), (9950, 20791), (12230, 16915)]