307310

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 16

約数和(自身を含む): 561600

約数和(自身を除く): 254290

約数列:

[1, 2, 5, 10, 79, 158, 389, 395, 778, 790, 1945, 3890, 30731, 61462, 153655, 307310]

約数ペア:

[(1, 307310), (2, 153655), (5, 61462), (10, 30731), (79, 3890), (158, 1945), (389, 790), (395, 778)]