680605.00000000

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 53329920

約数和(自身を除く): 29581936

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 52, 58, 62, 104, 116, 124, 127, 208, 232, 248, 254, 377, 403, 464, 496, 508, 754, 806, 899, 1016, 1508, 1612, 1651, 1798, 2032, 3016, 3224, 3302, 3596, 3683, 3937, 6032, 6448, 6604, 7192, 7366, 7874, 11687, 13208, 14384, 14732, 15748, 23374, 26416, 29464, 31496, 46748, 47879, 51181, 58928, 62992, 93496, 95758, 102362, 114173, 186992, 191516, 204724, 228346, 383032, 409448, 456692, 766064, 818896, 913384, 1484249, 1826768, 2968498, 5936996, 11873992, 23747984]

約数ペア:

[(1, 23747984), (2, 11873992), (4, 5936996), (8, 2968498), (13, 1826768), (16, 1484249), (26, 913384), (29, 818896), (31, 766064), (52, 456692), (58, 409448), (62, 383032), (104, 228346), (116, 204724), (124, 191516), (127, 186992), (208, 114173), (232, 102362), (248, 95758), (254, 93496), (377, 62992), (403, 58928), (464, 51181), (496, 47879), (508, 46748), (754, 31496), (806, 29464), (899, 26416), (1016, 23374), (1508, 15748), (1612, 14732), (1651, 14384), (1798, 13208), (2032, 11687), (3016, 7874), (3224, 7366), (3302, 7192), (3596, 6604), (3683, 6448), (3937, 6032)]