209133080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 532224000

約数和(自身を除く): 323090920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 47, 52, 65, 86, 94, 104, 130, 172, 188, 199, 215, 235, 260, 344, 376, 398, 430, 470, 520, 559, 611, 796, 860, 940, 995, 1118, 1222, 1592, 1720, 1880, 1990, 2021, 2236, 2444, 2587, 2795, 3055, 3980, 4042, 4472, 4888, 5174, 5590, 6110, 7960, 8084, 8557, 9353, 10105, 10348, 11180, 12220, 12935, 16168, 17114, 18706, 20210, 20696, 22360, 24440, 25870, 26273, 34228, 37412, 40420, 42785, 46765, 51740, 52546, 68456, 74824, 80840, 85570, 93530, 103480, 105092, 111241, 121589, 131365, 171140, 187060, 210184, 222482, 243178, 262730, 342280, 374120, 402179, 444964, 486356, 525460, 556205, 607945, 804358, 889928, 972712, 1050920, 1112410, 1215890, 1608716, 2010895, 2224820, 2431780, 3217432, 4021790, 4449640, 4863560, 5228327, 8043580, 10456654, 16087160, 20913308, 26141635, 41826616, 52283270, 104566540, 209133080]

約数ペア:

[(1, 209133080), (2, 104566540), (4, 52283270), (5, 41826616), (8, 26141635), (10, 20913308), (13, 16087160), (20, 10456654), (26, 8043580), (40, 5228327), (43, 4863560), (47, 4449640), (52, 4021790), (65, 3217432), (86, 2431780), (94, 2224820), (104, 2010895), (130, 1608716), (172, 1215890), (188, 1112410), (199, 1050920), (215, 972712), (235, 889928), (260, 804358), (344, 607945), (376, 556205), (398, 525460), (430, 486356), (470, 444964), (520, 402179), (559, 374120), (611, 342280), (796, 262730), (860, 243178), (940, 222482), (995, 210184), (1118, 187060), (1222, 171140), (1592, 131365), (1720, 121589), (1880, 111241), (1990, 105092), (2021, 103480), (2236, 93530), (2444, 85570), (2587, 80840), (2795, 74824), (3055, 68456), (3980, 52546), (4042, 51740), (4472, 46765), (4888, 42785), (5174, 40420), (5590, 37412), (6110, 34228), (7960, 26273), (8084, 25870), (8557, 24440), (9353, 22360), (10105, 20696), (10348, 20210), (11180, 18706), (12220, 17114), (12935, 16168)]