389228360

素因数分解:

$2^3\times 5^1\times {\mathrm{9730709}}^1$

素因数の和:9730720

約数の個数: 16

約数和(自身を含む): 875763900

約数和(自身を除く): 486535540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9730709, 19461418, 38922836, 48653545, 77845672, 97307090, 194614180, 389228360]

約数ペア:

[(1, 389228360), (2, 194614180), (4, 97307090), (5, 77845672), (8, 48653545), (10, 38922836), (20, 19461418), (40, 9730709)]