30937480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110491}}^1$

素因数の和:110509

約数の個数: 32

約数和(自身を含む): 79554240

約数和(自身を除く): 48616760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110491, 220982, 441964, 552455, 773437, 883928, 1104910, 1546874, 2209820, 3093748, 3867185, 4419640, 6187496, 7734370, 15468740, 30937480]

約数ペア:

[(1, 30937480), (2, 15468740), (4, 7734370), (5, 6187496), (7, 4419640), (8, 3867185), (10, 3093748), (14, 2209820), (20, 1546874), (28, 1104910), (35, 883928), (40, 773437), (56, 552455), (70, 441964), (140, 220982), (280, 110491)]