874775440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20287}}^1$

素因数の和:20325

約数の個数: 120

約数和(自身を含む): 2581120512

約数和(自身を除く): 1706345072

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2156, 2695, 3080, 3920, 4312, 5390, 6160, 8624, 10780, 20287, 21560, 40574, 43120, 81148, 101435, 142009, 162296, 202870, 223157, 284018, 324592, 405740, 446314, 568036, 710045, 811480, 892628, 994063, 1115785, 1136072, 1420090, 1562099, 1622960, 1785256, 1988126, 2231570, 2272144, 2840180, 3124198, 3570512, 3976252, 4463140, 4970315, 5680360, 6248396, 7810495, 7952504, 8926280, 9940630, 10934693, 11360720, 12496792, 15620990, 15905008, 17852560, 19881260, 21869386, 24993584, 31241980, 39762520, 43738772, 54673465, 62483960, 79525040, 87477544, 109346930, 124967920, 174955088, 218693860, 437387720, 874775440]

約数ペア:

[(1, 874775440), (2, 437387720), (4, 218693860), (5, 174955088), (7, 124967920), (8, 109346930), (10, 87477544), (11, 79525040), (14, 62483960), (16, 54673465), (20, 43738772), (22, 39762520), (28, 31241980), (35, 24993584), (40, 21869386), (44, 19881260), (49, 17852560), (55, 15905008), (56, 15620990), (70, 12496792), (77, 11360720), (80, 10934693), (88, 9940630), (98, 8926280), (110, 7952504), (112, 7810495), (140, 6248396), (154, 5680360), (176, 4970315), (196, 4463140), (220, 3976252), (245, 3570512), (280, 3124198), (308, 2840180), (385, 2272144), (392, 2231570), (440, 1988126), (490, 1785256), (539, 1622960), (560, 1562099), (616, 1420090), (770, 1136072), (784, 1115785), (880, 994063), (980, 892628), (1078, 811480), (1232, 710045), (1540, 568036), (1960, 446314), (2156, 405740), (2695, 324592), (3080, 284018), (3920, 223157), (4312, 202870), (5390, 162296), (6160, 142009), (8624, 101435), (10780, 81148), (20287, 43120), (21560, 40574)]