144339820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3670

約数の個数: 48

約数和(自身を含む): 316850688

約数和(自身を除く): 172510868

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 3571, 4042, 7142, 8084, 10105, 14284, 17855, 20210, 35710, 40420, 71420, 153553, 167837, 307106, 335674, 614212, 671348, 767765, 839185, 1535530, 1678370, 3071060, 3356740, 7216991, 14433982, 28867964, 36084955, 72169910, 144339820]

約数ペア:

[(1, 144339820), (2, 72169910), (4, 36084955), (5, 28867964), (10, 14433982), (20, 7216991), (43, 3356740), (47, 3071060), (86, 1678370), (94, 1535530), (172, 839185), (188, 767765), (215, 671348), (235, 614212), (430, 335674), (470, 307106), (860, 167837), (940, 153553), (2021, 71420), (3571, 40420), (4042, 35710), (7142, 20210), (8084, 17855), (10105, 14284)]