280209328

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 643458816

約数和(自身を除く): 363249488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 83, 86, 112, 166, 172, 301, 332, 344, 581, 602, 664, 688, 701, 1162, 1204, 1328, 1402, 2324, 2408, 2804, 3569, 4648, 4816, 4907, 5608, 7138, 9296, 9814, 11216, 14276, 19628, 24983, 28552, 30143, 39256, 49966, 57104, 58183, 60286, 78512, 99932, 116366, 120572, 199864, 211001, 232732, 241144, 399728, 407281, 422002, 465464, 482288, 814562, 844004, 930928, 1629124, 1688008, 2501869, 3258248, 3376016, 5003738, 6516496, 10007476, 17513083, 20014952, 35026166, 40029904, 70052332, 140104664, 280209328]

約数ペア:

[(1, 280209328), (2, 140104664), (4, 70052332), (7, 40029904), (8, 35026166), (14, 20014952), (16, 17513083), (28, 10007476), (43, 6516496), (56, 5003738), (83, 3376016), (86, 3258248), (112, 2501869), (166, 1688008), (172, 1629124), (301, 930928), (332, 844004), (344, 814562), (581, 482288), (602, 465464), (664, 422002), (688, 407281), (701, 399728), (1162, 241144), (1204, 232732), (1328, 211001), (1402, 199864), (2324, 120572), (2408, 116366), (2804, 99932), (3569, 78512), (4648, 60286), (4816, 58183), (4907, 57104), (5608, 49966), (7138, 39256), (9296, 30143), (9814, 28552), (11216, 24983), (14276, 19628)]