28438900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{40627}}^1$

素因数の和:40648

約数の個数: 36

約数和(自身を含む): 70530208

約数和(自身を除く): 42091308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 40627, 81254, 162508, 203135, 284389, 406270, 568778, 812540, 1015675, 1137556, 1421945, 2031350, 2843890, 4062700, 5687780, 7109725, 14219450, 28438900]

約数ペア:

[(1, 28438900), (2, 14219450), (4, 7109725), (5, 5687780), (7, 4062700), (10, 2843890), (14, 2031350), (20, 1421945), (25, 1137556), (28, 1015675), (35, 812540), (50, 568778), (70, 406270), (100, 284389), (140, 203135), (175, 162508), (350, 81254), (700, 40627)]