28243600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 180

約数和(自身を含む): 86766768

約数和(自身を除く): 58523168

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 80, 88, 98, 100, 110, 112, 131, 140, 154, 175, 176, 196, 200, 220, 245, 262, 275, 280, 308, 350, 385, 392, 400, 440, 490, 524, 539, 550, 560, 616, 655, 700, 770, 784, 880, 917, 980, 1048, 1078, 1100, 1225, 1232, 1310, 1400, 1441, 1540, 1834, 1925, 1960, 2096, 2156, 2200, 2450, 2620, 2695, 2800, 2882, 3080, 3275, 3668, 3850, 3920, 4312, 4400, 4585, 4900, 5240, 5390, 5764, 6160, 6419, 6550, 7205, 7336, 7700, 8624, 9170, 9800, 10087, 10480, 10780, 11528, 12838, 13100, 13475, 14410, 14672, 15400, 18340, 19600, 20174, 21560, 22925, 23056, 25676, 26200, 26950, 28820, 30800, 32095, 36025, 36680, 40348, 43120, 45850, 50435, 51352, 52400, 53900, 57640, 64190, 70609, 72050, 73360, 80696, 91700, 100870, 102704, 107800, 115280, 128380, 141218, 144100, 160475, 161392, 183400, 201740, 215600, 252175, 256760, 282436, 288200, 320950, 353045, 366800, 403480, 504350, 513520, 564872, 576400, 641900, 706090, 806960, 1008700, 1129744, 1283800, 1412180, 1765225, 2017400, 2567600, 2824360, 3530450, 4034800, 5648720, 7060900, 14121800, 28243600]

約数ペア:

[(1, 28243600), (2, 14121800), (4, 7060900), (5, 5648720), (7, 4034800), (8, 3530450), (10, 2824360), (11, 2567600), (14, 2017400), (16, 1765225), (20, 1412180), (22, 1283800), (25, 1129744), (28, 1008700), (35, 806960), (40, 706090), (44, 641900), (49, 576400), (50, 564872), (55, 513520), (56, 504350), (70, 403480), (77, 366800), (80, 353045), (88, 320950), (98, 288200), (100, 282436), (110, 256760), (112, 252175), (131, 215600), (140, 201740), (154, 183400), (175, 161392), (176, 160475), (196, 144100), (200, 141218), (220, 128380), (245, 115280), (262, 107800), (275, 102704), (280, 100870), (308, 91700), (350, 80696), (385, 73360), (392, 72050), (400, 70609), (440, 64190), (490, 57640), (524, 53900), (539, 52400), (550, 51352), (560, 50435), (616, 45850), (655, 43120), (700, 40348), (770, 36680), (784, 36025), (880, 32095), (917, 30800), (980, 28820), (1048, 26950), (1078, 26200), (1100, 25676), (1225, 23056), (1232, 22925), (1310, 21560), (1400, 20174), (1441, 19600), (1540, 18340), (1834, 15400), (1925, 14672), (1960, 14410), (2096, 13475), (2156, 13100), (2200, 12838), (2450, 11528), (2620, 10780), (2695, 10480), (2800, 10087), (2882, 9800), (3080, 9170), (3275, 8624), (3668, 7700), (3850, 7336), (3920, 7205), (4312, 6550), (4400, 6419), (4585, 6160), (4900, 5764), (5240, 5390)]