199487640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1913}}^1$

素因数の和:2017

約数の個数: 128

約数和(自身を含む): 661478400

約数和(自身を除く): 461990760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 316, 330, 395, 440, 474, 632, 660, 790, 869, 948, 1185, 1320, 1580, 1738, 1896, 1913, 2370, 2607, 3160, 3476, 3826, 4345, 4740, 5214, 5739, 6952, 7652, 8690, 9480, 9565, 10428, 11478, 13035, 15304, 17380, 19130, 20856, 21043, 22956, 26070, 28695, 34760, 38260, 42086, 45912, 52140, 57390, 63129, 76520, 84172, 104280, 105215, 114780, 126258, 151127, 168344, 210430, 229560, 252516, 302254, 315645, 420860, 453381, 505032, 604508, 631290, 755635, 841720, 906762, 1209016, 1262580, 1511270, 1662397, 1813524, 2266905, 2525160, 3022540, 3324794, 3627048, 4533810, 4987191, 6045080, 6649588, 8311985, 9067620, 9974382, 13299176, 16623970, 18135240, 19948764, 24935955, 33247940, 39897528, 49871910, 66495880, 99743820, 199487640]

約数ペア:

[(1, 199487640), (2, 99743820), (3, 66495880), (4, 49871910), (5, 39897528), (6, 33247940), (8, 24935955), (10, 19948764), (11, 18135240), (12, 16623970), (15, 13299176), (20, 9974382), (22, 9067620), (24, 8311985), (30, 6649588), (33, 6045080), (40, 4987191), (44, 4533810), (55, 3627048), (60, 3324794), (66, 3022540), (79, 2525160), (88, 2266905), (110, 1813524), (120, 1662397), (132, 1511270), (158, 1262580), (165, 1209016), (220, 906762), (237, 841720), (264, 755635), (316, 631290), (330, 604508), (395, 505032), (440, 453381), (474, 420860), (632, 315645), (660, 302254), (790, 252516), (869, 229560), (948, 210430), (1185, 168344), (1320, 151127), (1580, 126258), (1738, 114780), (1896, 105215), (1913, 104280), (2370, 84172), (2607, 76520), (3160, 63129), (3476, 57390), (3826, 52140), (4345, 45912), (4740, 42086), (5214, 38260), (5739, 34760), (6952, 28695), (7652, 26070), (8690, 22956), (9480, 21043), (9565, 20856), (10428, 19130), (11478, 17380), (13035, 15304)]