199913560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1457

約数の個数: 128

約数和(自身を含む): 573143040

約数和(自身を除く): 373229480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 220, 235, 280, 308, 329, 376, 385, 440, 470, 517, 616, 658, 770, 940, 1034, 1316, 1381, 1540, 1645, 1880, 2068, 2585, 2632, 2762, 3080, 3290, 3619, 4136, 5170, 5524, 6580, 6905, 7238, 9667, 10340, 11048, 13160, 13810, 14476, 15191, 18095, 19334, 20680, 27620, 28952, 30382, 36190, 38668, 48335, 55240, 60764, 64907, 72380, 75955, 77336, 96670, 106337, 121528, 129814, 144760, 151910, 193340, 212674, 259628, 303820, 324535, 386680, 425348, 454349, 519256, 531685, 607640, 649070, 713977, 850696, 908698, 1063370, 1298140, 1427954, 1817396, 2126740, 2271745, 2596280, 2855908, 3569885, 3634792, 4253480, 4543490, 4997839, 5711816, 7139770, 9086980, 9995678, 14279540, 18173960, 19991356, 24989195, 28559080, 39982712, 49978390, 99956780, 199913560]

約数ペア:

[(1, 199913560), (2, 99956780), (4, 49978390), (5, 39982712), (7, 28559080), (8, 24989195), (10, 19991356), (11, 18173960), (14, 14279540), (20, 9995678), (22, 9086980), (28, 7139770), (35, 5711816), (40, 4997839), (44, 4543490), (47, 4253480), (55, 3634792), (56, 3569885), (70, 2855908), (77, 2596280), (88, 2271745), (94, 2126740), (110, 1817396), (140, 1427954), (154, 1298140), (188, 1063370), (220, 908698), (235, 850696), (280, 713977), (308, 649070), (329, 607640), (376, 531685), (385, 519256), (440, 454349), (470, 425348), (517, 386680), (616, 324535), (658, 303820), (770, 259628), (940, 212674), (1034, 193340), (1316, 151910), (1381, 144760), (1540, 129814), (1645, 121528), (1880, 106337), (2068, 96670), (2585, 77336), (2632, 75955), (2762, 72380), (3080, 64907), (3290, 60764), (3619, 55240), (4136, 48335), (5170, 38668), (5524, 36190), (6580, 30382), (6905, 28952), (7238, 27620), (9667, 20680), (10340, 19334), (11048, 18095), (13160, 15191), (13810, 14476)]