139971440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5101}}^1$

素因数の和:5135

約数の個数: 80

約数和(自身を含む): 379588800

約数和(自身を除く): 239617360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5101, 5488, 6860, 10202, 13720, 20404, 25505, 27440, 35707, 40808, 51010, 71414, 81616, 102020, 142828, 178535, 204040, 249949, 285656, 357070, 408080, 499898, 571312, 714140, 999796, 1249745, 1428280, 1749643, 1999592, 2499490, 2856560, 3499286, 3999184, 4998980, 6998572, 8748215, 9997960, 13997144, 17496430, 19995920, 27994288, 34992860, 69985720, 139971440]

約数ペア:

[(1, 139971440), (2, 69985720), (4, 34992860), (5, 27994288), (7, 19995920), (8, 17496430), (10, 13997144), (14, 9997960), (16, 8748215), (20, 6998572), (28, 4998980), (35, 3999184), (40, 3499286), (49, 2856560), (56, 2499490), (70, 1999592), (80, 1749643), (98, 1428280), (112, 1249745), (140, 999796), (196, 714140), (245, 571312), (280, 499898), (343, 408080), (392, 357070), (490, 285656), (560, 249949), (686, 204040), (784, 178535), (980, 142828), (1372, 102020), (1715, 81616), (1960, 71414), (2744, 51010), (3430, 40808), (3920, 35707), (5101, 27440), (5488, 25505), (6860, 20404), (10202, 13720)]