201609320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9749}}^1$

素因数の和:9818

約数の個数: 64

約数和(自身を含む): 505440000

約数和(自身を除く): 303830680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 9749, 10340, 19498, 20680, 38996, 48745, 77992, 97490, 107239, 194980, 214478, 389960, 428956, 458203, 536195, 857912, 916406, 1072390, 1832812, 2144780, 2291015, 3665624, 4289560, 4582030, 5040233, 9164060, 10080466, 18328120, 20160932, 25201165, 40321864, 50402330, 100804660, 201609320]

約数ペア:

[(1, 201609320), (2, 100804660), (4, 50402330), (5, 40321864), (8, 25201165), (10, 20160932), (11, 18328120), (20, 10080466), (22, 9164060), (40, 5040233), (44, 4582030), (47, 4289560), (55, 3665624), (88, 2291015), (94, 2144780), (110, 1832812), (188, 1072390), (220, 916406), (235, 857912), (376, 536195), (440, 458203), (470, 428956), (517, 389960), (940, 214478), (1034, 194980), (1880, 107239), (2068, 97490), (2585, 77992), (4136, 48745), (5170, 38996), (9749, 20680), (10340, 19498)]