399827120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1459

約数の個数: 160

約数和(自身を含む): 1184495616

約数和(自身を除く): 784668496

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, 220, 235, 280, 308, 329, 376, 385, 440, 470, 517, 560, 616, 658, 752, 770, 880, 940, 1034, 1232, 1316, 1381, 1540, 1645, 1880, 2068, 2585, 2632, 2762, 3080, 3290, 3619, 3760, 4136, 5170, 5264, 5524, 6160, 6580, 6905, 7238, 8272, 9667, 10340, 11048, 13160, 13810, 14476, 15191, 18095, 19334, 20680, 22096, 26320, 27620, 28952, 30382, 36190, 38668, 41360, 48335, 55240, 57904, 60764, 64907, 72380, 75955, 77336, 96670, 106337, 110480, 121528, 129814, 144760, 151910, 154672, 193340, 212674, 243056, 259628, 289520, 303820, 324535, 386680, 425348, 454349, 519256, 531685, 607640, 649070, 713977, 773360, 850696, 908698, 1038512, 1063370, 1215280, 1298140, 1427954, 1701392, 1817396, 2126740, 2271745, 2596280, 2855908, 3569885, 3634792, 4253480, 4543490, 4997839, 5192560, 5711816, 7139770, 7269584, 8506960, 9086980, 9995678, 11423632, 14279540, 18173960, 19991356, 24989195, 28559080, 36347920, 39982712, 49978390, 57118160, 79965424, 99956780, 199913560, 399827120]

約数ペア:

[(1, 399827120), (2, 199913560), (4, 99956780), (5, 79965424), (7, 57118160), (8, 49978390), (10, 39982712), (11, 36347920), (14, 28559080), (16, 24989195), (20, 19991356), (22, 18173960), (28, 14279540), (35, 11423632), (40, 9995678), (44, 9086980), (47, 8506960), (55, 7269584), (56, 7139770), (70, 5711816), (77, 5192560), (80, 4997839), (88, 4543490), (94, 4253480), (110, 3634792), (112, 3569885), (140, 2855908), (154, 2596280), (176, 2271745), (188, 2126740), (220, 1817396), (235, 1701392), (280, 1427954), (308, 1298140), (329, 1215280), (376, 1063370), (385, 1038512), (440, 908698), (470, 850696), (517, 773360), (560, 713977), (616, 649070), (658, 607640), (752, 531685), (770, 519256), (880, 454349), (940, 425348), (1034, 386680), (1232, 324535), (1316, 303820), (1381, 289520), (1540, 259628), (1645, 243056), (1880, 212674), (2068, 193340), (2585, 154672), (2632, 151910), (2762, 144760), (3080, 129814), (3290, 121528), (3619, 110480), (3760, 106337), (4136, 96670), (5170, 77336), (5264, 75955), (5524, 72380), (6160, 64907), (6580, 60764), (6905, 57904), (7238, 55240), (8272, 48335), (9667, 41360), (10340, 38668), (11048, 36190), (13160, 30382), (13810, 28952), (14476, 27620), (15191, 26320), (18095, 22096), (19334, 20680)]