28506800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{10181}}^1$

素因数の和:10206

約数の個数: 60

約数和(自身を含む): 78279216

約数和(自身を除く): 49772416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 10181, 20362, 40724, 50905, 71267, 81448, 101810, 142534, 162896, 203620, 254525, 285068, 356335, 407240, 509050, 570136, 712670, 814480, 1018100, 1140272, 1425340, 1781675, 2036200, 2850680, 3563350, 4072400, 5701360, 7126700, 14253400, 28506800]

約数ペア:

[(1, 28506800), (2, 14253400), (4, 7126700), (5, 5701360), (7, 4072400), (8, 3563350), (10, 2850680), (14, 2036200), (16, 1781675), (20, 1425340), (25, 1140272), (28, 1018100), (35, 814480), (40, 712670), (50, 570136), (56, 509050), (70, 407240), (80, 356335), (100, 285068), (112, 254525), (140, 203620), (175, 162896), (200, 142534), (280, 101810), (350, 81448), (400, 71267), (560, 50905), (700, 40724), (1400, 20362), (2800, 10181)]