7978460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{56989}}^1$

素因数の和:57005

約数の個数: 24

約数和(自身を含む): 19148640

約数和(自身を除く): 11170180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 56989, 113978, 227956, 284945, 398923, 569890, 797846, 1139780, 1595692, 1994615, 3989230, 7978460]

約数ペア:

[(1, 7978460), (2, 3989230), (4, 1994615), (5, 1595692), (7, 1139780), (10, 797846), (14, 569890), (20, 398923), (28, 284945), (35, 227956), (70, 113978), (140, 56989)]