167782020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{399481}}^1$

素因数の和:399500

約数の個数: 48

約数和(自身を含む): 536903808

約数和(自身を除く): 369121788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 399481, 798962, 1198443, 1597924, 1997405, 2396886, 2796367, 3994810, 4793772, 5592734, 5992215, 7989620, 8389101, 11185468, 11984430, 13981835, 16778202, 23968860, 27963670, 33556404, 41945505, 55927340, 83891010, 167782020]

約数ペア:

[(1, 167782020), (2, 83891010), (3, 55927340), (4, 41945505), (5, 33556404), (6, 27963670), (7, 23968860), (10, 16778202), (12, 13981835), (14, 11984430), (15, 11185468), (20, 8389101), (21, 7989620), (28, 5992215), (30, 5592734), (35, 4793772), (42, 3994810), (60, 2796367), (70, 2396886), (84, 1997405), (105, 1597924), (140, 1198443), (210, 798962), (420, 399481)]