216723220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15959}}^1$

素因数の和:16072

約数の個数: 48

約数和(自身を含む): 525530880

約数和(自身を除く): 308807660

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, 15959, 31918, 63836, 79795, 111713, 159590, 223426, 319180, 446852, 558565, 1117130, 1548023, 2234260, 3096046, 6192092, 7740115, 10836161, 15480230, 21672322, 30960460, 43344644, 54180805, 108361610, 216723220]

約数ペア:

[(1, 216723220), (2, 108361610), (4, 54180805), (5, 43344644), (7, 30960460), (10, 21672322), (14, 15480230), (20, 10836161), (28, 7740115), (35, 6192092), (70, 3096046), (97, 2234260), (140, 1548023), (194, 1117130), (388, 558565), (485, 446852), (679, 319180), (970, 223426), (1358, 159590), (1940, 111713), (2716, 79795), (3395, 63836), (6790, 31918), (13580, 15959)]