390394370

素因数分解:

$2^1\times 5^1\times {\mathrm{4231}}^1\times {\mathrm{9227}}^1$

素因数の和:13465

約数の個数: 16

約数和(自身を含む): 702952128

約数和(自身を除く): 312557758

約数列:

[1, 2, 5, 10, 4231, 8462, 9227, 18454, 21155, 42310, 46135, 92270, 39039437, 78078874, 195197185, 390394370]

約数ペア:

[(1, 390394370), (2, 195197185), (5, 78078874), (10, 39039437), (4231, 92270), (8462, 46135), (9227, 42310), (18454, 21155)]