66778460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{476989}}^1$

素因数の和:477005

約数の個数: 24

約数和(自身を含む): 160268640

約数和(自身を除く): 93490180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 476989, 953978, 1907956, 2384945, 3338923, 4769890, 6677846, 9539780, 13355692, 16694615, 33389230, 66778460]

約数ペア:

[(1, 66778460), (2, 33389230), (4, 16694615), (5, 13355692), (7, 9539780), (10, 6677846), (14, 4769890), (20, 3338923), (28, 2384945), (35, 1907956), (70, 953978), (140, 476989)]