245005360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3833}}^1$

素因数の和:3910

約数の個数: 80

約数和(自身を含む): 616139136

約数和(自身を除く): 371133776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3760, 3833, 3995, 6392, 7666, 7990, 12784, 15332, 15980, 19165, 30664, 31960, 38330, 61328, 63920, 65161, 76660, 130322, 153320, 180151, 260644, 306640, 325805, 360302, 521288, 651610, 720604, 900755, 1042576, 1303220, 1441208, 1801510, 2606440, 2882416, 3062567, 3603020, 5212880, 6125134, 7206040, 12250268, 14412080, 15312835, 24500536, 30625670, 49001072, 61251340, 122502680, 245005360]

約数ペア:

[(1, 245005360), (2, 122502680), (4, 61251340), (5, 49001072), (8, 30625670), (10, 24500536), (16, 15312835), (17, 14412080), (20, 12250268), (34, 7206040), (40, 6125134), (47, 5212880), (68, 3603020), (80, 3062567), (85, 2882416), (94, 2606440), (136, 1801510), (170, 1441208), (188, 1303220), (235, 1042576), (272, 900755), (340, 720604), (376, 651610), (470, 521288), (680, 360302), (752, 325805), (799, 306640), (940, 260644), (1360, 180151), (1598, 153320), (1880, 130322), (3196, 76660), (3760, 65161), (3833, 63920), (3995, 61328), (6392, 38330), (7666, 31960), (7990, 30664), (12784, 19165), (15332, 15980)]