338536040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 777461760

約数和(自身を除く): 438925720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 191, 292, 365, 382, 584, 607, 730, 764, 955, 1214, 1460, 1528, 1910, 2428, 2920, 3035, 3820, 4856, 6070, 7640, 12140, 13943, 24280, 27886, 44311, 55772, 69715, 88622, 111544, 115937, 139430, 177244, 221555, 231874, 278860, 354488, 443110, 463748, 557720, 579685, 886220, 927496, 1159370, 1772440, 2318740, 4637480, 8463401, 16926802, 33853604, 42317005, 67707208, 84634010, 169268020, 338536040]

約数ペア:

[(1, 338536040), (2, 169268020), (4, 84634010), (5, 67707208), (8, 42317005), (10, 33853604), (20, 16926802), (40, 8463401), (73, 4637480), (146, 2318740), (191, 1772440), (292, 1159370), (365, 927496), (382, 886220), (584, 579685), (607, 557720), (730, 463748), (764, 443110), (955, 354488), (1214, 278860), (1460, 231874), (1528, 221555), (1910, 177244), (2428, 139430), (2920, 115937), (3035, 111544), (3820, 88622), (4856, 69715), (6070, 55772), (7640, 44311), (12140, 27886), (13943, 24280)]