201809960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 515324160

約数和(自身を除く): 313514200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 73, 88, 103, 110, 122, 146, 206, 220, 244, 292, 305, 365, 412, 440, 488, 515, 584, 610, 671, 730, 803, 824, 1030, 1133, 1220, 1342, 1460, 1606, 2060, 2266, 2440, 2684, 2920, 3212, 3355, 4015, 4120, 4453, 4532, 5368, 5665, 6283, 6424, 6710, 7519, 8030, 8906, 9064, 11330, 12566, 13420, 15038, 16060, 17812, 22265, 22660, 25132, 26840, 30076, 31415, 32120, 35624, 37595, 44530, 45320, 48983, 50264, 60152, 62830, 69113, 75190, 82709, 89060, 97966, 125660, 138226, 150380, 165418, 178120, 195932, 244915, 251320, 276452, 300760, 330836, 345565, 391864, 413545, 458659, 489830, 552904, 661672, 691130, 827090, 917318, 979660, 1382260, 1654180, 1834636, 1959320, 2293295, 2764520, 3308360, 3669272, 4586590, 5045249, 9173180, 10090498, 18346360, 20180996, 25226245, 40361992, 50452490, 100904980, 201809960]

約数ペア:

[(1, 201809960), (2, 100904980), (4, 50452490), (5, 40361992), (8, 25226245), (10, 20180996), (11, 18346360), (20, 10090498), (22, 9173180), (40, 5045249), (44, 4586590), (55, 3669272), (61, 3308360), (73, 2764520), (88, 2293295), (103, 1959320), (110, 1834636), (122, 1654180), (146, 1382260), (206, 979660), (220, 917318), (244, 827090), (292, 691130), (305, 661672), (365, 552904), (412, 489830), (440, 458659), (488, 413545), (515, 391864), (584, 345565), (610, 330836), (671, 300760), (730, 276452), (803, 251320), (824, 244915), (1030, 195932), (1133, 178120), (1220, 165418), (1342, 150380), (1460, 138226), (1606, 125660), (2060, 97966), (2266, 89060), (2440, 82709), (2684, 75190), (2920, 69113), (3212, 62830), (3355, 60152), (4015, 50264), (4120, 48983), (4453, 45320), (4532, 44530), (5368, 37595), (5665, 35624), (6283, 32120), (6424, 31415), (6710, 30076), (7519, 26840), (8030, 25132), (8906, 22660), (9064, 22265), (11330, 17812), (12566, 16060), (13420, 15038)]