198114760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{115183}}^1$

素因数の和:115237

約数の個数: 32

約数和(自身を含む): 456128640

約数和(自身を除く): 258013880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 115183, 230366, 460732, 575915, 921464, 1151830, 2303660, 4607320, 4952869, 9905738, 19811476, 24764345, 39622952, 49528690, 99057380, 198114760]

約数ペア:

[(1, 198114760), (2, 99057380), (4, 49528690), (5, 39622952), (8, 24764345), (10, 19811476), (20, 9905738), (40, 4952869), (43, 4607320), (86, 2303660), (172, 1151830), (215, 921464), (344, 575915), (430, 460732), (860, 230366), (1720, 115183)]