129843140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 324051840

約数和(自身を除く): 194208700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 2819, 3290, 4606, 5638, 6580, 9212, 11276, 11515, 14095, 19733, 23030, 28190, 39466, 46060, 56380, 78932, 98665, 132493, 138131, 197330, 264986, 276262, 394660, 529972, 552524, 662465, 690655, 927451, 1324930, 1381310, 1854902, 2649860, 2762620, 3709804, 4637255, 6492157, 9274510, 12984314, 18549020, 25968628, 32460785, 64921570, 129843140]

約数ペア:

[(1, 129843140), (2, 64921570), (4, 32460785), (5, 25968628), (7, 18549020), (10, 12984314), (14, 9274510), (20, 6492157), (28, 4637255), (35, 3709804), (47, 2762620), (49, 2649860), (70, 1854902), (94, 1381310), (98, 1324930), (140, 927451), (188, 690655), (196, 662465), (235, 552524), (245, 529972), (329, 394660), (470, 276262), (490, 264986), (658, 197330), (940, 138131), (980, 132493), (1316, 98665), (1645, 78932), (2303, 56380), (2819, 46060), (3290, 39466), (4606, 28190), (5638, 23030), (6580, 19733), (9212, 14095), (11276, 11515)]