4008950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 8396784

約数和(自身を除く): 4387834

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 197, 275, 370, 394, 407, 550, 814, 925, 985, 1850, 1970, 2035, 2167, 4070, 4334, 4925, 7289, 9850, 10175, 10835, 14578, 20350, 21670, 36445, 54175, 72890, 80179, 108350, 160358, 182225, 364450, 400895, 801790, 2004475, 4008950]

約数ペア:

[(1, 4008950), (2, 2004475), (5, 801790), (10, 400895), (11, 364450), (22, 182225), (25, 160358), (37, 108350), (50, 80179), (55, 72890), (74, 54175), (110, 36445), (185, 21670), (197, 20350), (275, 14578), (370, 10835), (394, 10175), (407, 9850), (550, 7289), (814, 4925), (925, 4334), (985, 4070), (1850, 2167), (1970, 2035)]