1010991640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{1187}}^1$

素因数の和:1504

約数の個数: 64

約数和(自身を含む): 2309472000

約数和(自身を除く): 1298480360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 199, 214, 398, 428, 535, 796, 856, 995, 1070, 1187, 1592, 1990, 2140, 2374, 3980, 4280, 4748, 5935, 7960, 9496, 11870, 21293, 23740, 42586, 47480, 85172, 106465, 127009, 170344, 212930, 236213, 254018, 425860, 472426, 508036, 635045, 851720, 944852, 1016072, 1181065, 1270090, 1889704, 2362130, 2540180, 4724260, 5080360, 9448520, 25274791, 50549582, 101099164, 126373955, 202198328, 252747910, 505495820, 1010991640]

約数ペア:

[(1, 1010991640), (2, 505495820), (4, 252747910), (5, 202198328), (8, 126373955), (10, 101099164), (20, 50549582), (40, 25274791), (107, 9448520), (199, 5080360), (214, 4724260), (398, 2540180), (428, 2362130), (535, 1889704), (796, 1270090), (856, 1181065), (995, 1016072), (1070, 944852), (1187, 851720), (1592, 635045), (1990, 508036), (2140, 472426), (2374, 425860), (3980, 254018), (4280, 236213), (4748, 212930), (5935, 170344), (7960, 127009), (9496, 106465), (11870, 85172), (21293, 47480), (23740, 42586)]