87142580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12703}}^1$

素因数の和:12733

約数の個数: 48

約数和(自身を含む): 213427200

約数和(自身を除く): 126284620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12703, 25406, 50812, 63515, 88921, 127030, 177842, 254060, 355684, 444605, 622447, 889210, 1244894, 1778420, 2489788, 3112235, 4357129, 6224470, 8714258, 12448940, 17428516, 21785645, 43571290, 87142580]

約数ペア:

[(1, 87142580), (2, 43571290), (4, 21785645), (5, 17428516), (7, 12448940), (10, 8714258), (14, 6224470), (20, 4357129), (28, 3112235), (35, 2489788), (49, 1778420), (70, 1244894), (98, 889210), (140, 622447), (196, 444605), (245, 355684), (343, 254060), (490, 177842), (686, 127030), (980, 88921), (1372, 63515), (1715, 50812), (3430, 25406), (6860, 12703)]