1287019508740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{45285697}}^1$

素因数の和:45285749

約数の個数: 72

約数和(自身を含む): 3252418830360

約数和(自身を除く): 1965399321620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 28420, 45285697, 90571394, 181142788, 226428485, 316999879, 452856970, 633999758, 905713940, 1267999516, 1313285213, 1584999395, 2218999153, 2626570426, 3169998790, 4437998306, 5253140852, 6339997580, 6566426065, 8875996612, 9192996491, 11094995765, 13132852130, 18385992982, 22189991530, 26265704260, 36771985964, 44379983060, 45964982455, 64350975437, 91929964910, 128701950874, 183859929820, 257403901748, 321754877185, 643509754370, 1287019508740]

約数ペア:

[(1, 1287019508740), (2, 643509754370), (4, 321754877185), (5, 257403901748), (7, 183859929820), (10, 128701950874), (14, 91929964910), (20, 64350975437), (28, 45964982455), (29, 44379983060), (35, 36771985964), (49, 26265704260), (58, 22189991530), (70, 18385992982), (98, 13132852130), (116, 11094995765), (140, 9192996491), (145, 8875996612), (196, 6566426065), (203, 6339997580), (245, 5253140852), (290, 4437998306), (406, 3169998790), (490, 2626570426), (580, 2218999153), (812, 1584999395), (980, 1313285213), (1015, 1267999516), (1421, 905713940), (2030, 633999758), (2842, 452856970), (4060, 316999879), (5684, 226428485), (7105, 181142788), (14210, 90571394), (28420, 45285697)]