618296980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{22193}}^1$

素因数の和:22408

約数の個数: 48

約数和(自身を含む): 1491436800

約数和(自身を除く): 873139820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 13930, 22193, 27860, 44386, 88772, 110965, 155351, 221930, 310702, 443860, 621404, 776755, 1553510, 3107020, 4416407, 8832814, 17665628, 22082035, 30914849, 44164070, 61829698, 88328140, 123659396, 154574245, 309148490, 618296980]

約数ペア:

[(1, 618296980), (2, 309148490), (4, 154574245), (5, 123659396), (7, 88328140), (10, 61829698), (14, 44164070), (20, 30914849), (28, 22082035), (35, 17665628), (70, 8832814), (140, 4416407), (199, 3107020), (398, 1553510), (796, 776755), (995, 621404), (1393, 443860), (1990, 310702), (2786, 221930), (3980, 155351), (5572, 110965), (6965, 88772), (13930, 44386), (22193, 27860)]