1861023280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{2861}}^1$

素因数の和:3094

約数の個数: 80

約数和(自身を含む): 4446036864

約数和(自身を除く): 2585013584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 173, 188, 235, 346, 376, 470, 692, 752, 865, 940, 1384, 1730, 1880, 2768, 2861, 3460, 3760, 5722, 6920, 8131, 11444, 13840, 14305, 16262, 22888, 28610, 32524, 40655, 45776, 57220, 65048, 81310, 114440, 130096, 134467, 162620, 228880, 268934, 325240, 494953, 537868, 650480, 672335, 989906, 1075736, 1344670, 1979812, 2151472, 2474765, 2689340, 3959624, 4949530, 5378680, 7919248, 9899060, 10757360, 19798120, 23262791, 39596240, 46525582, 93051164, 116313955, 186102328, 232627910, 372204656, 465255820, 930511640, 1861023280]

約数ペア:

[(1, 1861023280), (2, 930511640), (4, 465255820), (5, 372204656), (8, 232627910), (10, 186102328), (16, 116313955), (20, 93051164), (40, 46525582), (47, 39596240), (80, 23262791), (94, 19798120), (173, 10757360), (188, 9899060), (235, 7919248), (346, 5378680), (376, 4949530), (470, 3959624), (692, 2689340), (752, 2474765), (865, 2151472), (940, 1979812), (1384, 1344670), (1730, 1075736), (1880, 989906), (2768, 672335), (2861, 650480), (3460, 537868), (3760, 494953), (5722, 325240), (6920, 268934), (8131, 228880), (11444, 162620), (13840, 134467), (14305, 130096), (16262, 114440), (22888, 81310), (28610, 65048), (32524, 57220), (40655, 45776)]