79278920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283139}}^1$

素因数の和:283157

約数の個数: 32

約数和(自身を含む): 203860800

約数和(自身を除く): 124581880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283139, 566278, 1132556, 1415695, 1981973, 2265112, 2831390, 3963946, 5662780, 7927892, 9909865, 11325560, 15855784, 19819730, 39639460, 79278920]

約数ペア:

[(1, 79278920), (2, 39639460), (4, 19819730), (5, 15855784), (7, 11325560), (8, 9909865), (10, 7927892), (14, 5662780), (20, 3963946), (28, 2831390), (35, 2265112), (40, 1981973), (56, 1415695), (70, 1132556), (140, 566278), (280, 283139)]