1390060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9929}}^1$

素因数の和:9945

約数の個数: 24

約数和(自身を含む): 3336480

約数和(自身を除く): 1946420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9929, 19858, 39716, 49645, 69503, 99290, 139006, 198580, 278012, 347515, 695030, 1390060]

約数ペア:

[(1, 1390060), (2, 695030), (4, 347515), (5, 278012), (7, 198580), (10, 139006), (14, 99290), (20, 69503), (28, 49645), (35, 39716), (70, 19858), (140, 9929)]