680737820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4862413}}^1$

素因数の和:4862429

約数の個数: 24

約数和(自身を含む): 1633771104

約数和(自身を除く): 953033284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4862413, 9724826, 19449652, 24312065, 34036891, 48624130, 68073782, 97248260, 136147564, 170184455, 340368910, 680737820]

約数ペア:

[(1, 680737820), (2, 340368910), (4, 170184455), (5, 136147564), (7, 97248260), (10, 68073782), (14, 48624130), (20, 34036891), (28, 24312065), (35, 19449652), (70, 9724826), (140, 4862413)]