391930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 881280

約数和(自身を除く): 489350

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 509, 770, 1018, 2545, 3563, 5090, 5599, 7126, 11198, 17815, 27995, 35630, 39193, 55990, 78386, 195965, 391930]

約数ペア:

[(1, 391930), (2, 195965), (5, 78386), (7, 55990), (10, 39193), (11, 35630), (14, 27995), (22, 17815), (35, 11198), (55, 7126), (70, 5599), (77, 5090), (110, 3563), (154, 2545), (385, 1018), (509, 770)]