199972490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{183461}}^1$

素因数の和:183577

約数の個数: 16

約数和(自身を含む): 363254760

約数和(自身を除く): 163282270

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 183461, 366922, 917305, 1834610, 19997249, 39994498, 99986245, 199972490]

約数ペア:

[(1, 199972490), (2, 99986245), (5, 39994498), (10, 19997249), (109, 1834610), (218, 917305), (545, 366922), (1090, 183461)]