2006950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 4218480

約数和(自身を除く): 2211530

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 89, 110, 178, 205, 275, 410, 445, 451, 550, 890, 902, 979, 1025, 1958, 2050, 2225, 2255, 3649, 4450, 4510, 4895, 7298, 9790, 11275, 18245, 22550, 24475, 36490, 40139, 48950, 80278, 91225, 182450, 200695, 401390, 1003475, 2006950]

約数ペア:

[(1, 2006950), (2, 1003475), (5, 401390), (10, 200695), (11, 182450), (22, 91225), (25, 80278), (41, 48950), (50, 40139), (55, 36490), (82, 24475), (89, 22550), (110, 18245), (178, 11275), (205, 9790), (275, 7298), (410, 4895), (445, 4510), (451, 4450), (550, 3649), (890, 2255), (902, 2225), (979, 2050), (1025, 1958)]