855241660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20431}}^1$

素因数の和:20483

約数の個数: 96

約数和(自身を含む): 2306691072

約数和(自身を除く): 1451449412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 2093, 2990, 3220, 4186, 5980, 8372, 10465, 20431, 20930, 40862, 41860, 81724, 102155, 143017, 204310, 265603, 286034, 408620, 469913, 531206, 572068, 715085, 939826, 1062412, 1328015, 1430170, 1859221, 1879652, 2349565, 2656030, 2860340, 3289391, 3718442, 4699130, 5312060, 6108869, 6578782, 7436884, 9296105, 9398260, 12217738, 13157564, 16446955, 18592210, 24435476, 30544345, 32893910, 37184420, 42762083, 61088690, 65787820, 85524166, 122177380, 171048332, 213810415, 427620830, 855241660]

約数ペア:

[(1, 855241660), (2, 427620830), (4, 213810415), (5, 171048332), (7, 122177380), (10, 85524166), (13, 65787820), (14, 61088690), (20, 42762083), (23, 37184420), (26, 32893910), (28, 30544345), (35, 24435476), (46, 18592210), (52, 16446955), (65, 13157564), (70, 12217738), (91, 9398260), (92, 9296105), (115, 7436884), (130, 6578782), (140, 6108869), (161, 5312060), (182, 4699130), (230, 3718442), (260, 3289391), (299, 2860340), (322, 2656030), (364, 2349565), (455, 1879652), (460, 1859221), (598, 1430170), (644, 1328015), (805, 1062412), (910, 939826), (1196, 715085), (1495, 572068), (1610, 531206), (1820, 469913), (2093, 408620), (2990, 286034), (3220, 265603), (4186, 204310), (5980, 143017), (8372, 102155), (10465, 81724), (20431, 41860), (20930, 40862)]