19280800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 58871232

約数和(自身を除く): 39590432

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 308, 313, 350, 352, 385, 400, 440, 550, 560, 616, 626, 700, 770, 800, 880, 1100, 1120, 1232, 1252, 1400, 1540, 1565, 1760, 1925, 2191, 2200, 2464, 2504, 2800, 3080, 3130, 3443, 3850, 4382, 4400, 5008, 5600, 6160, 6260, 6886, 7700, 7825, 8764, 8800, 10016, 10955, 12320, 12520, 13772, 15400, 15650, 17215, 17528, 21910, 24101, 25040, 27544, 30800, 31300, 34430, 35056, 43820, 48202, 50080, 54775, 55088, 61600, 62600, 68860, 70112, 86075, 87640, 96404, 109550, 110176, 120505, 125200, 137720, 172150, 175280, 192808, 219100, 241010, 250400, 275440, 344300, 350560, 385616, 438200, 482020, 550880, 602525, 688600, 771232, 876400, 964040, 1205050, 1377200, 1752800, 1928080, 2410100, 2754400, 3856160, 4820200, 9640400, 19280800]

約数ペア:

[(1, 19280800), (2, 9640400), (4, 4820200), (5, 3856160), (7, 2754400), (8, 2410100), (10, 1928080), (11, 1752800), (14, 1377200), (16, 1205050), (20, 964040), (22, 876400), (25, 771232), (28, 688600), (32, 602525), (35, 550880), (40, 482020), (44, 438200), (50, 385616), (55, 350560), (56, 344300), (70, 275440), (77, 250400), (80, 241010), (88, 219100), (100, 192808), (110, 175280), (112, 172150), (140, 137720), (154, 125200), (160, 120505), (175, 110176), (176, 109550), (200, 96404), (220, 87640), (224, 86075), (275, 70112), (280, 68860), (308, 62600), (313, 61600), (350, 55088), (352, 54775), (385, 50080), (400, 48202), (440, 43820), (550, 35056), (560, 34430), (616, 31300), (626, 30800), (700, 27544), (770, 25040), (800, 24101), (880, 21910), (1100, 17528), (1120, 17215), (1232, 15650), (1252, 15400), (1400, 13772), (1540, 12520), (1565, 12320), (1760, 10955), (1925, 10016), (2191, 8800), (2200, 8764), (2464, 7825), (2504, 7700), (2800, 6886), (3080, 6260), (3130, 6160), (3443, 5600), (3850, 5008), (4382, 4400)]