10728620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 25945920

約数和(自身を除く): 15217300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 389, 394, 778, 788, 985, 1379, 1556, 1945, 1970, 2723, 2758, 3890, 3940, 5446, 5516, 6895, 7780, 10892, 13615, 13790, 27230, 27580, 54460, 76633, 153266, 306532, 383165, 536431, 766330, 1072862, 1532660, 2145724, 2682155, 5364310, 10728620]

約数ペア:

[(1, 10728620), (2, 5364310), (4, 2682155), (5, 2145724), (7, 1532660), (10, 1072862), (14, 766330), (20, 536431), (28, 383165), (35, 306532), (70, 153266), (140, 76633), (197, 54460), (389, 27580), (394, 27230), (778, 13790), (788, 13615), (985, 10892), (1379, 7780), (1556, 6895), (1945, 5516), (1970, 5446), (2723, 3940), (2758, 3890)]