28771400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20551}}^1$

素因数の和:20574

約数の個数: 48

約数和(自身を含む): 76453440

約数和(自身を除く): 47682040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 20551, 41102, 82204, 102755, 143857, 164408, 205510, 287714, 411020, 513775, 575428, 719285, 822040, 1027550, 1150856, 1438570, 2055100, 2877140, 3596425, 4110200, 5754280, 7192850, 14385700, 28771400]

約数ペア:

[(1, 28771400), (2, 14385700), (4, 7192850), (5, 5754280), (7, 4110200), (8, 3596425), (10, 2877140), (14, 2055100), (20, 1438570), (25, 1150856), (28, 1027550), (35, 822040), (40, 719285), (50, 575428), (56, 513775), (70, 411020), (100, 287714), (140, 205510), (175, 164408), (200, 143857), (280, 102755), (350, 82204), (700, 41102), (1400, 20551)]