270721990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{351587}}^1$

素因数の和:351612

約数の個数: 32

約数和(自身を含む): 607544064

約数和(自身を除く): 336822074

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 351587, 703174, 1757935, 2461109, 3515870, 3867457, 4922218, 7734914, 12305545, 19337285, 24611090, 27072199, 38674570, 54144398, 135360995, 270721990]

約数ペア:

[(1, 270721990), (2, 135360995), (5, 54144398), (7, 38674570), (10, 27072199), (11, 24611090), (14, 19337285), (22, 12305545), (35, 7734914), (55, 4922218), (70, 3867457), (77, 3515870), (110, 2461109), (154, 1757935), (385, 703174), (770, 351587)]