120145904

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{68891}}^1$

素因数の和:69008

約数の個数: 20

約数和(自身を含む): 234921720

約数和(自身を除く): 114775816

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 68891, 137782, 275564, 551128, 1102256, 7509119, 15018238, 30036476, 60072952, 120145904]

約数ペア:

[(1, 120145904), (2, 60072952), (4, 30036476), (8, 15018238), (16, 7509119), (109, 1102256), (218, 551128), (436, 275564), (872, 137782), (1744, 68891)]