2250500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{643}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 5625984

約数和(自身を除く): 3375484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 643, 700, 875, 1286, 1750, 2572, 3215, 3500, 4501, 6430, 9002, 12860, 16075, 18004, 22505, 32150, 45010, 64300, 80375, 90020, 112525, 160750, 225050, 321500, 450100, 562625, 1125250, 2250500]

約数ペア:

[(1, 2250500), (2, 1125250), (4, 562625), (5, 450100), (7, 321500), (10, 225050), (14, 160750), (20, 112525), (25, 90020), (28, 80375), (35, 64300), (50, 45010), (70, 32150), (100, 22505), (125, 18004), (140, 16075), (175, 12860), (250, 9002), (350, 6430), (500, 4501), (643, 3500), (700, 3215), (875, 2572), (1286, 1750)]