899304880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{56489}}^1$

素因数の和:56701

約数の個数: 40

約数和(自身を含む): 2101428000

約数和(自身を除く): 1202123120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 56489, 112978, 225956, 282445, 451912, 564890, 903824, 1129780, 2259560, 4519120, 11241311, 22482622, 44965244, 56206555, 89930488, 112413110, 179860976, 224826220, 449652440, 899304880]

約数ペア:

[(1, 899304880), (2, 449652440), (4, 224826220), (5, 179860976), (8, 112413110), (10, 89930488), (16, 56206555), (20, 44965244), (40, 22482622), (80, 11241311), (199, 4519120), (398, 2259560), (796, 1129780), (995, 903824), (1592, 564890), (1990, 451912), (3184, 282445), (3980, 225956), (7960, 112978), (15920, 56489)]