248907820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{18329}}^1$

素因数の和:18442

約数の個数: 48

約数和(自身を含む): 603570240

約数和(自身を除く): 354662420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 18329, 36658, 73316, 91645, 128303, 183290, 256606, 366580, 513212, 641515, 1283030, 1777913, 2566060, 3555826, 7111652, 8889565, 12445391, 17779130, 24890782, 35558260, 49781564, 62226955, 124453910, 248907820]

約数ペア:

[(1, 248907820), (2, 124453910), (4, 62226955), (5, 49781564), (7, 35558260), (10, 24890782), (14, 17779130), (20, 12445391), (28, 8889565), (35, 7111652), (70, 3555826), (97, 2566060), (140, 1777913), (194, 1283030), (388, 641515), (485, 513212), (679, 366580), (970, 256606), (1358, 183290), (1940, 128303), (2716, 91645), (3395, 73316), (6790, 36658), (13580, 18329)]