9985696280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:890

約数の個数: 192

約数和(自身を含む): 26795098080

約数和(自身を除く): 16809401800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 101, 140, 146, 196, 202, 245, 280, 292, 365, 392, 404, 490, 505, 511, 584, 691, 707, 730, 808, 980, 1010, 1022, 1382, 1414, 1460, 1960, 2020, 2044, 2555, 2764, 2828, 2920, 3455, 3535, 3577, 4040, 4088, 4837, 4949, 5110, 5528, 5656, 6910, 7070, 7154, 7373, 9674, 9898, 10220, 13820, 14140, 14308, 14746, 17885, 19348, 19796, 20440, 24185, 24745, 27640, 28280, 28616, 29492, 33859, 35770, 36865, 38696, 39592, 48370, 49490, 50443, 51611, 58984, 67718, 69791, 71540, 73730, 96740, 98980, 100886, 103222, 135436, 139582, 143080, 147460, 169295, 193480, 197960, 201772, 206444, 252215, 258055, 270872, 279164, 294920, 338590, 348955, 353101, 361277, 403544, 412888, 488537, 504430, 516110, 558328, 677180, 697910, 706202, 722554, 977074, 1008860, 1032220, 1354360, 1395820, 1412404, 1445108, 1765505, 1806385, 1954148, 2017720, 2064440, 2442685, 2471707, 2791640, 2824808, 2890216, 3419759, 3531010, 3612770, 3908296, 4885370, 4943414, 5094743, 6839518, 7062020, 7225540, 9770740, 9886828, 10189486, 12358535, 13679036, 14124040, 14451080, 17098795, 19541480, 19773656, 20378972, 24717070, 25473715, 27358072, 34197590, 35663201, 40757944, 49434140, 50947430, 68395180, 71326402, 98868280, 101894860, 136790360, 142652804, 178316005, 203789720, 249642407, 285305608, 356632010, 499284814, 713264020, 998569628, 1248212035, 1426528040, 1997139256, 2496424070, 4992848140, 9985696280]

約数ペア:

[(1, 9985696280), (2, 4992848140), (4, 2496424070), (5, 1997139256), (7, 1426528040), (8, 1248212035), (10, 998569628), (14, 713264020), (20, 499284814), (28, 356632010), (35, 285305608), (40, 249642407), (49, 203789720), (56, 178316005), (70, 142652804), (73, 136790360), (98, 101894860), (101, 98868280), (140, 71326402), (146, 68395180), (196, 50947430), (202, 49434140), (245, 40757944), (280, 35663201), (292, 34197590), (365, 27358072), (392, 25473715), (404, 24717070), (490, 20378972), (505, 19773656), (511, 19541480), (584, 17098795), (691, 14451080), (707, 14124040), (730, 13679036), (808, 12358535), (980, 10189486), (1010, 9886828), (1022, 9770740), (1382, 7225540), (1414, 7062020), (1460, 6839518), (1960, 5094743), (2020, 4943414), (2044, 4885370), (2555, 3908296), (2764, 3612770), (2828, 3531010), (2920, 3419759), (3455, 2890216), (3535, 2824808), (3577, 2791640), (4040, 2471707), (4088, 2442685), (4837, 2064440), (4949, 2017720), (5110, 1954148), (5528, 1806385), (5656, 1765505), (6910, 1445108), (7070, 1412404), (7154, 1395820), (7373, 1354360), (9674, 1032220), (9898, 1008860), (10220, 977074), (13820, 722554), (14140, 706202), (14308, 697910), (14746, 677180), (17885, 558328), (19348, 516110), (19796, 504430), (20440, 488537), (24185, 412888), (24745, 403544), (27640, 361277), (28280, 353101), (28616, 348955), (29492, 338590), (33859, 294920), (35770, 279164), (36865, 270872), (38696, 258055), (39592, 252215), (48370, 206444), (49490, 201772), (50443, 197960), (51611, 193480), (58984, 169295), (67718, 147460), (69791, 143080), (71540, 139582), (73730, 135436), (96740, 103222), (98980, 100886)]