77730940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{555221}}^1$

素因数の和:555237

約数の個数: 24

約数和(自身を含む): 186554592

約数和(自身を除く): 108823652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 555221, 1110442, 2220884, 2776105, 3886547, 5552210, 7773094, 11104420, 15546188, 19432735, 38865470, 77730940]

約数ペア:

[(1, 77730940), (2, 38865470), (4, 19432735), (5, 15546188), (7, 11104420), (10, 7773094), (14, 5552210), (20, 3886547), (28, 2776105), (35, 2220884), (70, 1110442), (140, 555221)]