205373080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9931}}^1$

素因数の和:10000

約数の個数: 64

約数和(自身を含む): 514874880

約数和(自身を除く): 309501800

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, 9931, 10340, 19862, 20680, 39724, 49655, 79448, 99310, 109241, 198620, 218482, 397240, 436964, 466757, 546205, 873928, 933514, 1092410, 1867028, 2184820, 2333785, 3734056, 4369640, 4667570, 5134327, 9335140, 10268654, 18670280, 20537308, 25671635, 41074616, 51343270, 102686540, 205373080]

約数ペア:

[(1, 205373080), (2, 102686540), (4, 51343270), (5, 41074616), (8, 25671635), (10, 20537308), (11, 18670280), (20, 10268654), (22, 9335140), (40, 5134327), (44, 4667570), (47, 4369640), (55, 3734056), (88, 2333785), (94, 2184820), (110, 1867028), (188, 1092410), (220, 933514), (235, 873928), (376, 546205), (440, 466757), (470, 436964), (517, 397240), (940, 218482), (1034, 198620), (1880, 109241), (2068, 99310), (2585, 79448), (4136, 49655), (5170, 39724), (9931, 20680), (10340, 19862)]