1305500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{373}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 3267264

約数和(自身を除く): 1961764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 373, 500, 700, 746, 875, 1492, 1750, 1865, 2611, 3500, 3730, 5222, 7460, 9325, 10444, 13055, 18650, 26110, 37300, 46625, 52220, 65275, 93250, 130550, 186500, 261100, 326375, 652750, 1305500]

約数ペア:

[(1, 1305500), (2, 652750), (4, 326375), (5, 261100), (7, 186500), (10, 130550), (14, 93250), (20, 65275), (25, 52220), (28, 46625), (35, 37300), (50, 26110), (70, 18650), (100, 13055), (125, 10444), (140, 9325), (175, 7460), (250, 5222), (350, 3730), (373, 3500), (500, 2611), (700, 1865), (746, 1750), (875, 1492)]