1880495870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{743279}}^1$

素因数の和:743320

約数の個数: 32

約数和(自身を含む): 3853163520

約数和(自身を除く): 1972667650

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 743279, 1486558, 3716395, 7432790, 8176069, 16352138, 17095417, 34190834, 40880345, 81760690, 85477085, 170954170, 188049587, 376099174, 940247935, 1880495870]

約数ペア:

[(1, 1880495870), (2, 940247935), (5, 376099174), (10, 188049587), (11, 170954170), (22, 85477085), (23, 81760690), (46, 40880345), (55, 34190834), (110, 17095417), (115, 16352138), (230, 8176069), (253, 7432790), (506, 3716395), (1265, 1486558), (2530, 743279)]