131450440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1669}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 324648000

約数和(自身を除く): 193197560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1432, 1669, 1790, 1969, 3338, 3580, 3938, 6676, 7160, 7876, 8345, 9845, 13352, 15752, 16690, 18359, 19690, 33380, 36718, 39380, 66760, 73436, 78760, 91795, 146872, 183590, 298751, 367180, 597502, 734360, 1195004, 1493755, 2390008, 2987510, 3286261, 5975020, 6572522, 11950040, 13145044, 16431305, 26290088, 32862610, 65725220, 131450440]

約数ペア:

[(1, 131450440), (2, 65725220), (4, 32862610), (5, 26290088), (8, 16431305), (10, 13145044), (11, 11950040), (20, 6572522), (22, 5975020), (40, 3286261), (44, 2987510), (55, 2390008), (88, 1493755), (110, 1195004), (179, 734360), (220, 597502), (358, 367180), (440, 298751), (716, 183590), (895, 146872), (1432, 91795), (1669, 78760), (1790, 73436), (1969, 66760), (3338, 39380), (3580, 36718), (3938, 33380), (6676, 19690), (7160, 18359), (7876, 16690), (8345, 15752), (9845, 13352)]