289370060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2066929}}^1$

素因数の和:2066945

約数の個数: 24

約数和(自身を含む): 694488480

約数和(自身を除く): 405118420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2066929, 4133858, 8267716, 10334645, 14468503, 20669290, 28937006, 41338580, 57874012, 72342515, 144685030, 289370060]

約数ペア:

[(1, 289370060), (2, 144685030), (4, 72342515), (5, 57874012), (7, 41338580), (10, 28937006), (14, 20669290), (20, 14468503), (28, 10334645), (35, 8267716), (70, 4133858), (140, 2066929)]