1985695280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{15601}}^1$

素因数の和:15694

約数の個数: 80

約数和(自身を含む): 4852097184

約数和(自身を除く): 2866401904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 592, 688, 740, 860, 1480, 1591, 1720, 2960, 3182, 3440, 6364, 7955, 12728, 15601, 15910, 25456, 31202, 31820, 62404, 63640, 78005, 124808, 127280, 156010, 249616, 312020, 577237, 624040, 670843, 1154474, 1248080, 1341686, 2308948, 2683372, 2886185, 3354215, 4617896, 5366744, 5772370, 6708430, 9235792, 10733488, 11544740, 13416860, 23089480, 24821191, 26833720, 46178960, 49642382, 53667440, 99284764, 124105955, 198569528, 248211910, 397139056, 496423820, 992847640, 1985695280]

約数ペア:

[(1, 1985695280), (2, 992847640), (4, 496423820), (5, 397139056), (8, 248211910), (10, 198569528), (16, 124105955), (20, 99284764), (37, 53667440), (40, 49642382), (43, 46178960), (74, 26833720), (80, 24821191), (86, 23089480), (148, 13416860), (172, 11544740), (185, 10733488), (215, 9235792), (296, 6708430), (344, 5772370), (370, 5366744), (430, 4617896), (592, 3354215), (688, 2886185), (740, 2683372), (860, 2308948), (1480, 1341686), (1591, 1248080), (1720, 1154474), (2960, 670843), (3182, 624040), (3440, 577237), (6364, 312020), (7955, 249616), (12728, 156010), (15601, 127280), (15910, 124808), (25456, 78005), (31202, 63640), (31820, 62404)]