221938640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5147}}^1$

素因数の和:5185

約数の個数: 120

約数和(自身を含む): 654949152

約数和(自身を除く): 433010512

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2156, 2695, 3080, 3920, 4312, 5147, 5390, 6160, 8624, 10294, 10780, 20588, 21560, 25735, 36029, 41176, 43120, 51470, 56617, 72058, 82352, 102940, 113234, 144116, 180145, 205880, 226468, 252203, 283085, 288232, 360290, 396319, 411760, 452936, 504406, 566170, 576464, 720580, 792638, 905872, 1008812, 1132340, 1261015, 1441160, 1585276, 1981595, 2017624, 2264680, 2522030, 2774233, 2882320, 3170552, 3963190, 4035248, 4529360, 5044060, 5548466, 6341104, 7926380, 10088120, 11096932, 13871165, 15852760, 20176240, 22193864, 27742330, 31705520, 44387728, 55484660, 110969320, 221938640]

約数ペア:

[(1, 221938640), (2, 110969320), (4, 55484660), (5, 44387728), (7, 31705520), (8, 27742330), (10, 22193864), (11, 20176240), (14, 15852760), (16, 13871165), (20, 11096932), (22, 10088120), (28, 7926380), (35, 6341104), (40, 5548466), (44, 5044060), (49, 4529360), (55, 4035248), (56, 3963190), (70, 3170552), (77, 2882320), (80, 2774233), (88, 2522030), (98, 2264680), (110, 2017624), (112, 1981595), (140, 1585276), (154, 1441160), (176, 1261015), (196, 1132340), (220, 1008812), (245, 905872), (280, 792638), (308, 720580), (385, 576464), (392, 566170), (440, 504406), (490, 452936), (539, 411760), (560, 396319), (616, 360290), (770, 288232), (784, 283085), (880, 252203), (980, 226468), (1078, 205880), (1232, 180145), (1540, 144116), (1960, 113234), (2156, 102940), (2695, 82352), (3080, 72058), (3920, 56617), (4312, 51470), (5147, 43120), (5390, 41176), (6160, 36029), (8624, 25735), (10294, 21560), (10780, 20588)]