198845220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{473441}}^1$

素因数の和:473460

約数の個数: 48

約数和(自身を含む): 636306048

約数和(自身を除く): 437460828

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, 473441, 946882, 1420323, 1893764, 2367205, 2840646, 3314087, 4734410, 5681292, 6628174, 7101615, 9468820, 9942261, 13256348, 14203230, 16570435, 19884522, 28406460, 33140870, 39769044, 49711305, 66281740, 99422610, 198845220]

約数ペア:

[(1, 198845220), (2, 99422610), (3, 66281740), (4, 49711305), (5, 39769044), (6, 33140870), (7, 28406460), (10, 19884522), (12, 16570435), (14, 14203230), (15, 13256348), (20, 9942261), (21, 9468820), (28, 7101615), (30, 6628174), (35, 5681292), (42, 4734410), (60, 3314087), (70, 2840646), (84, 2367205), (105, 1893764), (140, 1420323), (210, 946882), (420, 473441)]