17694740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 42938112

約数和(自身を除く): 25243372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1303, 1358, 1940, 2606, 2716, 3395, 5212, 6515, 6790, 9121, 13030, 13580, 18242, 26060, 36484, 45605, 91210, 126391, 182420, 252782, 505564, 631955, 884737, 1263910, 1769474, 2527820, 3538948, 4423685, 8847370, 17694740]

約数ペア:

[(1, 17694740), (2, 8847370), (4, 4423685), (5, 3538948), (7, 2527820), (10, 1769474), (14, 1263910), (20, 884737), (28, 631955), (35, 505564), (70, 252782), (97, 182420), (140, 126391), (194, 91210), (388, 45605), (485, 36484), (679, 26060), (970, 18242), (1303, 13580), (1358, 13030), (1940, 9121), (2606, 6790), (2716, 6515), (3395, 5212)]