207905720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3449}}^1$

素因数の和:3608

約数の個数: 64

約数和(自身を含む): 514188000

約数和(自身を除く): 306282280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 1096, 1370, 1507, 2740, 3014, 3449, 5480, 6028, 6898, 7535, 12056, 13796, 15070, 17245, 27592, 30140, 34490, 37939, 60280, 68980, 75878, 137960, 151756, 189695, 303512, 379390, 472513, 758780, 945026, 1517560, 1890052, 2362565, 3780104, 4725130, 5197643, 9450260, 10395286, 18900520, 20790572, 25988215, 41581144, 51976430, 103952860, 207905720]

約数ペア:

[(1, 207905720), (2, 103952860), (4, 51976430), (5, 41581144), (8, 25988215), (10, 20790572), (11, 18900520), (20, 10395286), (22, 9450260), (40, 5197643), (44, 4725130), (55, 3780104), (88, 2362565), (110, 1890052), (137, 1517560), (220, 945026), (274, 758780), (440, 472513), (548, 379390), (685, 303512), (1096, 189695), (1370, 151756), (1507, 137960), (2740, 75878), (3014, 68980), (3449, 60280), (5480, 37939), (6028, 34490), (6898, 30140), (7535, 27592), (12056, 17245), (13796, 15070)]