204097180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 532502208

約数和(自身を除く): 328405028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 41, 62, 70, 74, 82, 124, 140, 148, 155, 164, 185, 205, 217, 259, 287, 310, 370, 410, 434, 518, 574, 620, 740, 820, 868, 961, 1036, 1085, 1147, 1148, 1271, 1295, 1435, 1517, 1922, 2170, 2294, 2542, 2590, 2870, 3034, 3844, 4340, 4588, 4805, 5084, 5180, 5735, 5740, 6068, 6355, 6727, 7585, 8029, 8897, 9610, 10619, 11470, 12710, 13454, 15170, 16058, 17794, 19220, 21238, 22940, 25420, 26908, 30340, 32116, 33635, 35557, 35588, 39401, 40145, 42476, 44485, 47027, 53095, 67270, 71114, 78802, 80290, 88970, 94054, 106190, 134540, 142228, 157604, 160580, 177785, 177940, 188108, 197005, 212380, 235135, 248899, 275807, 329189, 355570, 394010, 470270, 497798, 551614, 658378, 711140, 788020, 940540, 995596, 1103228, 1244495, 1316756, 1379035, 1457837, 1645945, 2488990, 2758070, 2915674, 3291890, 4977980, 5516140, 5831348, 6583780, 7289185, 10204859, 14578370, 20409718, 29156740, 40819436, 51024295, 102048590, 204097180]

約数ペア:

[(1, 204097180), (2, 102048590), (4, 51024295), (5, 40819436), (7, 29156740), (10, 20409718), (14, 14578370), (20, 10204859), (28, 7289185), (31, 6583780), (35, 5831348), (37, 5516140), (41, 4977980), (62, 3291890), (70, 2915674), (74, 2758070), (82, 2488990), (124, 1645945), (140, 1457837), (148, 1379035), (155, 1316756), (164, 1244495), (185, 1103228), (205, 995596), (217, 940540), (259, 788020), (287, 711140), (310, 658378), (370, 551614), (410, 497798), (434, 470270), (518, 394010), (574, 355570), (620, 329189), (740, 275807), (820, 248899), (868, 235135), (961, 212380), (1036, 197005), (1085, 188108), (1147, 177940), (1148, 177785), (1271, 160580), (1295, 157604), (1435, 142228), (1517, 134540), (1922, 106190), (2170, 94054), (2294, 88970), (2542, 80290), (2590, 78802), (2870, 71114), (3034, 67270), (3844, 53095), (4340, 47027), (4588, 44485), (4805, 42476), (5084, 40145), (5180, 39401), (5735, 35588), (5740, 35557), (6068, 33635), (6355, 32116), (6727, 30340), (7585, 26908), (8029, 25420), (8897, 22940), (9610, 21238), (10619, 19220), (11470, 17794), (12710, 16058), (13454, 15170)]