17209520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 25644880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 199, 230, 235, 368, 376, 398, 460, 470, 752, 796, 920, 940, 995, 1081, 1592, 1840, 1880, 1990, 2162, 3184, 3760, 3980, 4324, 4577, 5405, 7960, 8648, 9154, 9353, 10810, 15920, 17296, 18308, 18706, 21620, 22885, 36616, 37412, 43240, 45770, 46765, 73232, 74824, 86480, 91540, 93530, 149648, 183080, 187060, 215119, 366160, 374120, 430238, 748240, 860476, 1075595, 1720952, 2151190, 3441904, 4302380, 8604760, 17209520]

約数ペア:

[(1, 17209520), (2, 8604760), (4, 4302380), (5, 3441904), (8, 2151190), (10, 1720952), (16, 1075595), (20, 860476), (23, 748240), (40, 430238), (46, 374120), (47, 366160), (80, 215119), (92, 187060), (94, 183080), (115, 149648), (184, 93530), (188, 91540), (199, 86480), (230, 74824), (235, 73232), (368, 46765), (376, 45770), (398, 43240), (460, 37412), (470, 36616), (752, 22885), (796, 21620), (920, 18706), (940, 18308), (995, 17296), (1081, 15920), (1592, 10810), (1840, 9353), (1880, 9154), (1990, 8648), (2162, 7960), (3184, 5405), (3760, 4577), (3980, 4324)]