28433120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 44142880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 199, 235, 304, 376, 380, 398, 470, 608, 752, 760, 796, 893, 940, 995, 1504, 1520, 1592, 1786, 1880, 1990, 3040, 3184, 3572, 3760, 3781, 3980, 4465, 6368, 7144, 7520, 7562, 7960, 8930, 9353, 14288, 15124, 15920, 17860, 18706, 18905, 28576, 30248, 31840, 35720, 37412, 37810, 46765, 60496, 71440, 74824, 75620, 93530, 120992, 142880, 149648, 151240, 177707, 187060, 299296, 302480, 355414, 374120, 604960, 710828, 748240, 888535, 1421656, 1496480, 1777070, 2843312, 3554140, 5686624, 7108280, 14216560, 28433120]

約数ペア:

[(1, 28433120), (2, 14216560), (4, 7108280), (5, 5686624), (8, 3554140), (10, 2843312), (16, 1777070), (19, 1496480), (20, 1421656), (32, 888535), (38, 748240), (40, 710828), (47, 604960), (76, 374120), (80, 355414), (94, 302480), (95, 299296), (152, 187060), (160, 177707), (188, 151240), (190, 149648), (199, 142880), (235, 120992), (304, 93530), (376, 75620), (380, 74824), (398, 71440), (470, 60496), (608, 46765), (752, 37810), (760, 37412), (796, 35720), (893, 31840), (940, 30248), (995, 28576), (1504, 18905), (1520, 18706), (1592, 17860), (1786, 15920), (1880, 15124), (1990, 14288), (3040, 9353), (3184, 8930), (3572, 7960), (3760, 7562), (3781, 7520), (3980, 7144), (4465, 6368)]