200980990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{4241}}^1$

素因数の和:4932

約数の個数: 32

約数和(自身を含む): 414154944

約数和(自身を除く): 213173954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 677, 1354, 3385, 4241, 4739, 6770, 8482, 9478, 21205, 23695, 29687, 42410, 47390, 59374, 148435, 296870, 2871157, 5742314, 14355785, 20098099, 28711570, 40196198, 100490495, 200980990]

約数ペア:

[(1, 200980990), (2, 100490495), (5, 40196198), (7, 28711570), (10, 20098099), (14, 14355785), (35, 5742314), (70, 2871157), (677, 296870), (1354, 148435), (3385, 59374), (4241, 47390), (4739, 42410), (6770, 29687), (8482, 23695), (9478, 21205)]