30488360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108887}}^1$

素因数の和:108905

約数の個数: 32

約数和(自身を含む): 78399360

約数和(自身を除く): 47911000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108887, 217774, 435548, 544435, 762209, 871096, 1088870, 1524418, 2177740, 3048836, 3811045, 4355480, 6097672, 7622090, 15244180, 30488360]

約数ペア:

[(1, 30488360), (2, 15244180), (4, 7622090), (5, 6097672), (7, 4355480), (8, 3811045), (10, 3048836), (14, 2177740), (20, 1524418), (28, 1088870), (35, 871096), (40, 762209), (56, 544435), (70, 435548), (140, 217774), (280, 108887)]