212404780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15641}}^1$

素因数の和:15754

約数の個数: 48

約数和(自身を含む): 515059776

約数和(自身を除く): 302654996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 15641, 31282, 62564, 78205, 109487, 156410, 218974, 312820, 437948, 547435, 1094870, 1517177, 2189740, 3034354, 6068708, 7585885, 10620239, 15171770, 21240478, 30343540, 42480956, 53101195, 106202390, 212404780]

約数ペア:

[(1, 212404780), (2, 106202390), (4, 53101195), (5, 42480956), (7, 30343540), (10, 21240478), (14, 15171770), (20, 10620239), (28, 7585885), (35, 6068708), (70, 3034354), (97, 2189740), (140, 1517177), (194, 1094870), (388, 547435), (485, 437948), (679, 312820), (970, 218974), (1358, 156410), (1940, 109487), (2716, 78205), (3395, 62564), (6790, 31282), (13580, 15641)]