138489680

素因数分解:

$2^4\times 5^1\times 7^5\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 379297152

約数和(自身を除く): 240807472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 103, 112, 140, 196, 206, 245, 280, 343, 392, 412, 490, 515, 560, 686, 721, 784, 824, 980, 1030, 1372, 1442, 1648, 1715, 1960, 2060, 2401, 2744, 2884, 3430, 3605, 3920, 4120, 4802, 5047, 5488, 5768, 6860, 7210, 8240, 9604, 10094, 11536, 12005, 13720, 14420, 16807, 19208, 20188, 24010, 25235, 27440, 28840, 33614, 35329, 38416, 40376, 48020, 50470, 57680, 67228, 70658, 80752, 84035, 96040, 100940, 134456, 141316, 168070, 176645, 192080, 201880, 247303, 268912, 282632, 336140, 353290, 403760, 494606, 565264, 672280, 706580, 989212, 1236515, 1344560, 1413160, 1731121, 1978424, 2473030, 2826320, 3462242, 3956848, 4946060, 6924484, 8655605, 9892120, 13848968, 17311210, 19784240, 27697936, 34622420, 69244840, 138489680]

約数ペア:

[(1, 138489680), (2, 69244840), (4, 34622420), (5, 27697936), (7, 19784240), (8, 17311210), (10, 13848968), (14, 9892120), (16, 8655605), (20, 6924484), (28, 4946060), (35, 3956848), (40, 3462242), (49, 2826320), (56, 2473030), (70, 1978424), (80, 1731121), (98, 1413160), (103, 1344560), (112, 1236515), (140, 989212), (196, 706580), (206, 672280), (245, 565264), (280, 494606), (343, 403760), (392, 353290), (412, 336140), (490, 282632), (515, 268912), (560, 247303), (686, 201880), (721, 192080), (784, 176645), (824, 168070), (980, 141316), (1030, 134456), (1372, 100940), (1442, 96040), (1648, 84035), (1715, 80752), (1960, 70658), (2060, 67228), (2401, 57680), (2744, 50470), (2884, 48020), (3430, 40376), (3605, 38416), (3920, 35329), (4120, 33614), (4802, 28840), (5047, 27440), (5488, 25235), (5768, 24010), (6860, 20188), (7210, 19208), (8240, 16807), (9604, 14420), (10094, 13720), (11536, 12005)]