16780540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17123}}^1$

素因数の和:17146

約数の個数: 36

約数和(自身を含む): 40994856

約数和(自身を除く): 24214316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 17123, 34246, 68492, 85615, 119861, 171230, 239722, 342460, 479444, 599305, 839027, 1198610, 1678054, 2397220, 3356108, 4195135, 8390270, 16780540]

約数ペア:

[(1, 16780540), (2, 8390270), (4, 4195135), (5, 3356108), (7, 2397220), (10, 1678054), (14, 1198610), (20, 839027), (28, 599305), (35, 479444), (49, 342460), (70, 239722), (98, 171230), (140, 119861), (196, 85615), (245, 68492), (490, 34246), (980, 17123)]