261680470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{294023}}^1$

素因数の和:294119

約数の個数: 16

約数和(自身を含む): 476318880

約数和(自身を除く): 214638410

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 294023, 588046, 1470115, 2940230, 26168047, 52336094, 130840235, 261680470]

約数ペア:

[(1, 261680470), (2, 130840235), (5, 52336094), (10, 26168047), (89, 2940230), (178, 1470115), (445, 588046), (890, 294023)]