51771440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 120

約数和(自身を含む): 143508672

約数和(自身を除く): 91737232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 281, 329, 376, 392, 470, 490, 560, 562, 658, 752, 784, 940, 980, 1124, 1316, 1405, 1645, 1880, 1960, 1967, 2248, 2303, 2632, 2810, 3290, 3760, 3920, 3934, 4496, 4606, 5264, 5620, 6580, 7868, 9212, 9835, 11240, 11515, 13160, 13207, 13769, 15736, 18424, 19670, 22480, 23030, 26320, 26414, 27538, 31472, 36848, 39340, 46060, 52828, 55076, 66035, 68845, 78680, 92120, 92449, 105656, 110152, 132070, 137690, 157360, 184240, 184898, 211312, 220304, 264140, 275380, 369796, 462245, 528280, 550760, 647143, 739592, 924490, 1056560, 1101520, 1294286, 1479184, 1848980, 2588572, 3235715, 3697960, 5177144, 6471430, 7395920, 10354288, 12942860, 25885720, 51771440]

約数ペア:

[(1, 51771440), (2, 25885720), (4, 12942860), (5, 10354288), (7, 7395920), (8, 6471430), (10, 5177144), (14, 3697960), (16, 3235715), (20, 2588572), (28, 1848980), (35, 1479184), (40, 1294286), (47, 1101520), (49, 1056560), (56, 924490), (70, 739592), (80, 647143), (94, 550760), (98, 528280), (112, 462245), (140, 369796), (188, 275380), (196, 264140), (235, 220304), (245, 211312), (280, 184898), (281, 184240), (329, 157360), (376, 137690), (392, 132070), (470, 110152), (490, 105656), (560, 92449), (562, 92120), (658, 78680), (752, 68845), (784, 66035), (940, 55076), (980, 52828), (1124, 46060), (1316, 39340), (1405, 36848), (1645, 31472), (1880, 27538), (1960, 26414), (1967, 26320), (2248, 23030), (2303, 22480), (2632, 19670), (2810, 18424), (3290, 15736), (3760, 13769), (3920, 13207), (3934, 13160), (4496, 11515), (4606, 11240), (5264, 9835), (5620, 9212), (6580, 7868)]