28386940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2879}}^1$

素因数の和:2934

約数の個数: 48

約数和(自身を含む): 65318400

約数和(自身を除く): 36931460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 2879, 4930, 5758, 9860, 11516, 14395, 28790, 48943, 57580, 83491, 97886, 166982, 195772, 244715, 333964, 417455, 489430, 834910, 978860, 1419347, 1669820, 2838694, 5677388, 7096735, 14193470, 28386940]

約数ペア:

[(1, 28386940), (2, 14193470), (4, 7096735), (5, 5677388), (10, 2838694), (17, 1669820), (20, 1419347), (29, 978860), (34, 834910), (58, 489430), (68, 417455), (85, 333964), (116, 244715), (145, 195772), (170, 166982), (290, 97886), (340, 83491), (493, 57580), (580, 48943), (986, 28790), (1972, 14395), (2465, 11516), (2879, 9860), (4930, 5758)]