305690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 687744

約数和(自身を除く): 382054

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 397, 770, 794, 1985, 2779, 3970, 4367, 5558, 8734, 13895, 21835, 27790, 30569, 43670, 61138, 152845, 305690]

約数ペア:

[(1, 305690), (2, 152845), (5, 61138), (7, 43670), (10, 30569), (11, 27790), (14, 21835), (22, 13895), (35, 8734), (55, 5558), (70, 4367), (77, 3970), (110, 2779), (154, 1985), (385, 794), (397, 770)]