255718190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2897}}^1$

素因数の和:3021

約数の個数: 64

約数和(自身を含む): 572552064

約数和(自身を除く): 316833874

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 97, 130, 182, 194, 455, 485, 679, 910, 970, 1261, 1358, 2522, 2897, 3395, 5794, 6305, 6790, 8827, 12610, 14485, 17654, 20279, 28970, 37661, 40558, 44135, 75322, 88270, 101395, 188305, 202790, 263627, 281009, 376610, 527254, 562018, 1318135, 1405045, 1967063, 2636270, 2810090, 3653117, 3934126, 7306234, 9835315, 18265585, 19670630, 25571819, 36531170, 51143638, 127859095, 255718190]

約数ペア:

[(1, 255718190), (2, 127859095), (5, 51143638), (7, 36531170), (10, 25571819), (13, 19670630), (14, 18265585), (26, 9835315), (35, 7306234), (65, 3934126), (70, 3653117), (91, 2810090), (97, 2636270), (130, 1967063), (182, 1405045), (194, 1318135), (455, 562018), (485, 527254), (679, 376610), (910, 281009), (970, 263627), (1261, 202790), (1358, 188305), (2522, 101395), (2897, 88270), (3395, 75322), (5794, 44135), (6305, 40558), (6790, 37661), (8827, 28970), (12610, 20279), (14485, 17654)]