77427980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553057}}^1$

素因数の和:553073

約数の個数: 24

約数和(自身を含む): 185827488

約数和(自身を除く): 108399508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553057, 1106114, 2212228, 2765285, 3871399, 5530570, 7742798, 11061140, 15485596, 19356995, 38713990, 77427980]

約数ペア:

[(1, 77427980), (2, 38713990), (4, 19356995), (5, 15485596), (7, 11061140), (10, 7742798), (14, 5530570), (20, 3871399), (28, 2765285), (35, 2212228), (70, 1106114), (140, 553057)]