140824040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71849}}^1$

素因数の和:71874

約数の個数: 48

約数和(自身を含む): 368590500

約数和(自身を除く): 227766460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 71849, 143698, 287396, 359245, 502943, 574792, 718490, 1005886, 1436980, 2011772, 2514715, 2873960, 3520601, 4023544, 5029430, 7041202, 10058860, 14082404, 17603005, 20117720, 28164808, 35206010, 70412020, 140824040]

約数ペア:

[(1, 140824040), (2, 70412020), (4, 35206010), (5, 28164808), (7, 20117720), (8, 17603005), (10, 14082404), (14, 10058860), (20, 7041202), (28, 5029430), (35, 4023544), (40, 3520601), (49, 2873960), (56, 2514715), (70, 2011772), (98, 1436980), (140, 1005886), (196, 718490), (245, 574792), (280, 502943), (392, 359245), (490, 287396), (980, 143698), (1960, 71849)]