280993716

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:929

約数の個数: 72

約数和(自身を含む): 724924200

約数和(自身を除く): 443930484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 109, 202, 218, 303, 327, 404, 436, 606, 654, 709, 909, 981, 1212, 1308, 1418, 1818, 1962, 2127, 2836, 3636, 3924, 4254, 6381, 8508, 11009, 12762, 22018, 25524, 33027, 44036, 66054, 71609, 77281, 99081, 132108, 143218, 154562, 198162, 214827, 231843, 286436, 309124, 396324, 429654, 463686, 644481, 695529, 859308, 927372, 1288962, 1391058, 2577924, 2782116, 7805381, 15610762, 23416143, 31221524, 46832286, 70248429, 93664572, 140496858, 280993716]

約数ペア:

[(1, 280993716), (2, 140496858), (3, 93664572), (4, 70248429), (6, 46832286), (9, 31221524), (12, 23416143), (18, 15610762), (36, 7805381), (101, 2782116), (109, 2577924), (202, 1391058), (218, 1288962), (303, 927372), (327, 859308), (404, 695529), (436, 644481), (606, 463686), (654, 429654), (709, 396324), (909, 309124), (981, 286436), (1212, 231843), (1308, 214827), (1418, 198162), (1818, 154562), (1962, 143218), (2127, 132108), (2836, 99081), (3636, 77281), (3924, 71609), (4254, 66054), (6381, 44036), (8508, 33027), (11009, 25524), (12762, 22018)]