2721614140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19440101}}^1$

素因数の和:19440117

約数の個数: 24

約数和(自身を含む): 6531874272

約数和(自身を除く): 3810260132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19440101, 38880202, 77760404, 97200505, 136080707, 194401010, 272161414, 388802020, 544322828, 680403535, 1360807070, 2721614140]

約数ペア:

[(1, 2721614140), (2, 1360807070), (4, 680403535), (5, 544322828), (7, 388802020), (10, 272161414), (14, 194401010), (20, 136080707), (28, 97200505), (35, 77760404), (70, 38880202), (140, 19440101)]