289178840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2364

約数の個数: 64

約数和(自身を含む): 692712000

約数和(自身を除く): 403533160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 340, 398, 680, 796, 995, 1592, 1990, 2137, 3383, 3980, 4274, 6766, 7960, 8548, 10685, 13532, 16915, 17096, 21370, 27064, 33830, 36329, 42740, 67660, 72658, 85480, 135320, 145316, 181645, 290632, 363290, 425263, 726580, 850526, 1453160, 1701052, 2126315, 3402104, 4252630, 7229471, 8505260, 14458942, 17010520, 28917884, 36147355, 57835768, 72294710, 144589420, 289178840]

約数ペア:

[(1, 289178840), (2, 144589420), (4, 72294710), (5, 57835768), (8, 36147355), (10, 28917884), (17, 17010520), (20, 14458942), (34, 8505260), (40, 7229471), (68, 4252630), (85, 3402104), (136, 2126315), (170, 1701052), (199, 1453160), (340, 850526), (398, 726580), (680, 425263), (796, 363290), (995, 290632), (1592, 181645), (1990, 145316), (2137, 135320), (3383, 85480), (3980, 72658), (4274, 67660), (6766, 42740), (7960, 36329), (8548, 33830), (10685, 27064), (13532, 21370), (16915, 17096)]