310657480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1109491}}^1$

素因数の和:1109509

約数の個数: 32

約数和(自身を含む): 798834240

約数和(自身を除く): 488176760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1109491, 2218982, 4437964, 5547455, 7766437, 8875928, 11094910, 15532874, 22189820, 31065748, 38832185, 44379640, 62131496, 77664370, 155328740, 310657480]

約数ペア:

[(1, 310657480), (2, 155328740), (4, 77664370), (5, 62131496), (7, 44379640), (8, 38832185), (10, 31065748), (14, 22189820), (20, 15532874), (28, 11094910), (35, 8875928), (40, 7766437), (56, 5547455), (70, 4437964), (140, 2218982), (280, 1109491)]