378202020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{900481}}^1$

素因数の和:900500

約数の個数: 48

約数和(自身を含む): 1210247808

約数和(自身を除く): 832045788

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, 900481, 1800962, 2701443, 3601924, 4502405, 5402886, 6303367, 9004810, 10805772, 12606734, 13507215, 18009620, 18910101, 25213468, 27014430, 31516835, 37820202, 54028860, 63033670, 75640404, 94550505, 126067340, 189101010, 378202020]

約数ペア:

[(1, 378202020), (2, 189101010), (3, 126067340), (4, 94550505), (5, 75640404), (6, 63033670), (7, 54028860), (10, 37820202), (12, 31516835), (14, 27014430), (15, 25213468), (20, 18910101), (21, 18009620), (28, 13507215), (30, 12606734), (35, 10805772), (42, 9004810), (60, 6303367), (70, 5402886), (84, 4502405), (105, 3601924), (140, 2701443), (210, 1800962), (420, 900481)]