128127440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{228799}}^1$

素因数の和:228819

約数の個数: 40

約数和(自身を含む): 340454400

約数和(自身を除く): 212326960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 228799, 457598, 915196, 1143995, 1601593, 1830392, 2287990, 3203186, 3660784, 4575980, 6406372, 8007965, 9151960, 12812744, 16015930, 18303920, 25625488, 32031860, 64063720, 128127440]

約数ペア:

[(1, 128127440), (2, 64063720), (4, 32031860), (5, 25625488), (7, 18303920), (8, 16015930), (10, 12812744), (14, 9151960), (16, 8007965), (20, 6406372), (28, 4575980), (35, 3660784), (40, 3203186), (56, 2287990), (70, 1830392), (80, 1601593), (112, 1143995), (140, 915196), (280, 457598), (560, 228799)]