2145500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{613}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 5363904

約数和(自身を除く): 3218404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 613, 700, 875, 1226, 1750, 2452, 3065, 3500, 4291, 6130, 8582, 12260, 15325, 17164, 21455, 30650, 42910, 61300, 76625, 85820, 107275, 153250, 214550, 306500, 429100, 536375, 1072750, 2145500]

約数ペア:

[(1, 2145500), (2, 1072750), (4, 536375), (5, 429100), (7, 306500), (10, 214550), (14, 153250), (20, 107275), (25, 85820), (28, 76625), (35, 61300), (50, 42910), (70, 30650), (100, 21455), (125, 17164), (140, 15325), (175, 12260), (250, 8582), (350, 6130), (500, 4291), (613, 3500), (700, 3065), (875, 2452), (1226, 1750)]