217628740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{15391}}^1$

素因数の和:15508

約数の個数: 48

約数和(自身を含む): 527514624

約数和(自身を除く): 309885884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 15391, 30782, 61564, 76955, 107737, 153910, 215474, 307820, 430948, 538685, 1077370, 1554491, 2154740, 3108982, 6217964, 7772455, 10881437, 15544910, 21762874, 31089820, 43525748, 54407185, 108814370, 217628740]

約数ペア:

[(1, 217628740), (2, 108814370), (4, 54407185), (5, 43525748), (7, 31089820), (10, 21762874), (14, 15544910), (20, 10881437), (28, 7772455), (35, 6217964), (70, 3108982), (101, 2154740), (140, 1554491), (202, 1077370), (404, 538685), (505, 430948), (707, 307820), (1010, 215474), (1414, 153910), (2020, 107737), (2828, 76955), (3535, 61564), (7070, 30782), (14140, 15391)]