280324576

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{21211}}^1$

素因数の和:21287

約数の個数: 48

約数和(自身を含む): 641450880

約数和(自身を除く): 361126304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1652, 1888, 3304, 6608, 13216, 21211, 42422, 84844, 148477, 169688, 296954, 339376, 593908, 678752, 1187816, 1251449, 2375632, 2502898, 4751264, 5005796, 8760143, 10011592, 17520286, 20023184, 35040572, 40046368, 70081144, 140162288, 280324576]

約数ペア:

[(1, 280324576), (2, 140162288), (4, 70081144), (7, 40046368), (8, 35040572), (14, 20023184), (16, 17520286), (28, 10011592), (32, 8760143), (56, 5005796), (59, 4751264), (112, 2502898), (118, 2375632), (224, 1251449), (236, 1187816), (413, 678752), (472, 593908), (826, 339376), (944, 296954), (1652, 169688), (1888, 148477), (3304, 84844), (6608, 42422), (13216, 21211)]