81898242050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{5209}}^1$

素因数の和:5640

約数の個数: 96

約数和(自身を含む): 164837106000

約数和(自身を除く): 82938863950

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 349, 425, 530, 698, 850, 901, 1325, 1745, 1802, 2650, 3490, 4505, 5209, 5933, 8725, 9010, 10418, 11866, 17450, 18497, 22525, 26045, 29665, 36994, 45050, 52090, 59330, 88553, 92485, 130225, 148325, 177106, 184970, 260450, 276077, 296650, 314449, 442765, 462425, 552154, 628898, 885530, 924850, 1380385, 1572245, 1817941, 2213825, 2760770, 3144490, 3635882, 4427650, 4693309, 6901925, 7861225, 9089705, 9386618, 13803850, 15722450, 18179410, 23466545, 30904997, 45448525, 46933090, 61809994, 90897050, 96350873, 117332725, 154524985, 192701746, 234665450, 309049970, 481754365, 772624925, 963508730, 1545249850, 1637964841, 2408771825, 3275929682, 4817543650, 8189824205, 16379648410, 40949121025, 81898242050]

約数ペア:

[(1, 81898242050), (2, 40949121025), (5, 16379648410), (10, 8189824205), (17, 4817543650), (25, 3275929682), (34, 2408771825), (50, 1637964841), (53, 1545249850), (85, 963508730), (106, 772624925), (170, 481754365), (265, 309049970), (349, 234665450), (425, 192701746), (530, 154524985), (698, 117332725), (850, 96350873), (901, 90897050), (1325, 61809994), (1745, 46933090), (1802, 45448525), (2650, 30904997), (3490, 23466545), (4505, 18179410), (5209, 15722450), (5933, 13803850), (8725, 9386618), (9010, 9089705), (10418, 7861225), (11866, 6901925), (17450, 4693309), (18497, 4427650), (22525, 3635882), (26045, 3144490), (29665, 2760770), (36994, 2213825), (45050, 1817941), (52090, 1572245), (59330, 1380385), (88553, 924850), (92485, 885530), (130225, 628898), (148325, 552154), (177106, 462425), (184970, 442765), (260450, 314449), (276077, 296650)]