221917.00000000

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 160

約数和(自身を含む): 164560896

約数和(自身を除く): 109262576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 140, 154, 176, 188, 191, 220, 235, 280, 308, 329, 376, 382, 385, 440, 470, 517, 560, 616, 658, 752, 764, 770, 880, 940, 955, 1034, 1232, 1316, 1337, 1528, 1540, 1645, 1880, 1910, 2068, 2101, 2585, 2632, 2674, 3056, 3080, 3290, 3619, 3760, 3820, 4136, 4202, 5170, 5264, 5348, 6160, 6580, 6685, 7238, 7640, 8272, 8404, 8977, 10340, 10505, 10696, 13160, 13370, 14476, 14707, 15280, 16808, 17954, 18095, 20680, 21010, 21392, 26320, 26740, 28952, 29414, 33616, 35908, 36190, 41360, 42020, 44885, 53480, 57904, 58828, 62839, 71816, 72380, 73535, 84040, 89770, 98747, 106960, 117656, 125678, 143632, 144760, 147070, 168080, 179540, 197494, 235312, 251356, 289520, 294140, 314195, 359080, 394988, 493735, 502712, 588280, 628390, 691229, 718160, 789976, 987470, 1005424, 1176560, 1256780, 1382458, 1579952, 1974940, 2513560, 2764916, 3456145, 3949880, 5027120, 5529832, 6912290, 7899760, 11059664, 13824580, 27649160, 55298320]

約数ペア:

[(1, 55298320), (2, 27649160), (4, 13824580), (5, 11059664), (7, 7899760), (8, 6912290), (10, 5529832), (11, 5027120), (14, 3949880), (16, 3456145), (20, 2764916), (22, 2513560), (28, 1974940), (35, 1579952), (40, 1382458), (44, 1256780), (47, 1176560), (55, 1005424), (56, 987470), (70, 789976), (77, 718160), (80, 691229), (88, 628390), (94, 588280), (110, 502712), (112, 493735), (140, 394988), (154, 359080), (176, 314195), (188, 294140), (191, 289520), (220, 251356), (235, 235312), (280, 197494), (308, 179540), (329, 168080), (376, 147070), (382, 144760), (385, 143632), (440, 125678), (470, 117656), (517, 106960), (560, 98747), (616, 89770), (658, 84040), (752, 73535), (764, 72380), (770, 71816), (880, 62839), (940, 58828), (955, 57904), (1034, 53480), (1232, 44885), (1316, 42020), (1337, 41360), (1528, 36190), (1540, 35908), (1645, 33616), (1880, 29414), (1910, 28952), (2068, 26740), (2101, 26320), (2585, 21392), (2632, 21010), (2674, 20680), (3056, 18095), (3080, 17954), (3290, 16808), (3619, 15280), (3760, 14707), (3820, 14476), (4136, 13370), (4202, 13160), (5170, 10696), (5264, 10505), (5348, 10340), (6160, 8977), (6580, 8404), (6685, 8272), (7238, 7640)]