129023020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1039}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 310302720

約数和(自身を除く): 181279700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 887, 1039, 1774, 2078, 3548, 4156, 4435, 5195, 6209, 7273, 8870, 10390, 12418, 14546, 17740, 20780, 24836, 29092, 31045, 36365, 62090, 72730, 124180, 145460, 921593, 1843186, 3686372, 4607965, 6451151, 9215930, 12902302, 18431860, 25804604, 32255755, 64511510, 129023020]

約数ペア:

[(1, 129023020), (2, 64511510), (4, 32255755), (5, 25804604), (7, 18431860), (10, 12902302), (14, 9215930), (20, 6451151), (28, 4607965), (35, 3686372), (70, 1843186), (140, 921593), (887, 145460), (1039, 124180), (1774, 72730), (2078, 62090), (3548, 36365), (4156, 31045), (4435, 29092), (5195, 24836), (6209, 20780), (7273, 17740), (8870, 14546), (10390, 12418)]