247289320

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{48679}}^1$

素因数の和:48817

約数の個数: 32

約数和(自身を含む): 560793600

約数和(自身を除く): 313504280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 48679, 97358, 194716, 243395, 389432, 486790, 973580, 1947160, 6182233, 12364466, 24728932, 30911165, 49457864, 61822330, 123644660, 247289320]

約数ペア:

[(1, 247289320), (2, 123644660), (4, 61822330), (5, 49457864), (8, 30911165), (10, 24728932), (20, 12364466), (40, 6182233), (127, 1947160), (254, 973580), (508, 486790), (635, 389432), (1016, 243395), (1270, 194716), (2540, 97358), (5080, 48679)]