77439460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553139}}^1$

素因数の和:553155

約数の個数: 24

約数和(自身を含む): 185855040

約数和(自身を除く): 108415580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553139, 1106278, 2212556, 2765695, 3871973, 5531390, 7743946, 11062780, 15487892, 19359865, 38719730, 77439460]

約数ペア:

[(1, 77439460), (2, 38719730), (4, 19359865), (5, 15487892), (7, 11062780), (10, 7743946), (14, 5531390), (20, 3871973), (28, 2765695), (35, 2212556), (70, 1106278), (140, 553139)]