857398465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 1404518400

約数和(自身を除く): 547119935

約数列:

[1, 5, 7, 11, 19, 31, 35, 55, 77, 95, 133, 155, 199, 209, 217, 341, 361, 385, 589, 665, 995, 1045, 1085, 1393, 1463, 1705, 1805, 2189, 2387, 2527, 2945, 3781, 3971, 4123, 6169, 6479, 6965, 7315, 10945, 11191, 11935, 12635, 15323, 18905, 19855, 20615, 26467, 27797, 30845, 32395, 41591, 43183, 45353, 55955, 67859, 71839, 76615, 78337, 117211, 123101, 132335, 138985, 207955, 215915, 226765, 291137, 339295, 359195, 391685, 475013, 502873, 586055, 615505, 790229, 820477, 861707, 1289321, 1455685, 2227009, 2375065, 2514365, 3951145, 4102385, 4308535, 5531603, 6446605, 9025247, 11135045, 15589063, 24497099, 27658015, 45126235, 77945315, 122485495, 171479693, 857398465]

約数ペア:

[(1, 857398465), (5, 171479693), (7, 122485495), (11, 77945315), (19, 45126235), (31, 27658015), (35, 24497099), (55, 15589063), (77, 11135045), (95, 9025247), (133, 6446605), (155, 5531603), (199, 4308535), (209, 4102385), (217, 3951145), (341, 2514365), (361, 2375065), (385, 2227009), (589, 1455685), (665, 1289321), (995, 861707), (1045, 820477), (1085, 790229), (1393, 615505), (1463, 586055), (1705, 502873), (1805, 475013), (2189, 391685), (2387, 359195), (2527, 339295), (2945, 291137), (3781, 226765), (3971, 215915), (4123, 207955), (6169, 138985), (6479, 132335), (6965, 123101), (7315, 117211), (10945, 78337), (11191, 76615), (11935, 71839), (12635, 67859), (15323, 55955), (18905, 45353), (19855, 43183), (20615, 41591), (26467, 32395), (27797, 30845)]