129354260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{923959}}^1$

素因数の和:923975

約数の個数: 24

約数和(自身を含む): 310450560

約数和(自身を除く): 181096300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 923959, 1847918, 3695836, 4619795, 6467713, 9239590, 12935426, 18479180, 25870852, 32338565, 64677130, 129354260]

約数ペア:

[(1, 129354260), (2, 64677130), (4, 32338565), (5, 25870852), (7, 18479180), (10, 12935426), (14, 9239590), (20, 6467713), (28, 4619795), (35, 3695836), (70, 1847918), (140, 923959)]