2048200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 144

約数和(自身を含む): 6361200

約数和(自身を除く): 4313000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 40, 44, 49, 50, 55, 56, 70, 76, 77, 88, 95, 98, 100, 110, 133, 140, 152, 154, 175, 190, 196, 200, 209, 220, 245, 266, 275, 280, 308, 350, 380, 385, 392, 418, 440, 475, 490, 532, 539, 550, 616, 665, 700, 760, 770, 836, 931, 950, 980, 1045, 1064, 1078, 1100, 1225, 1330, 1400, 1463, 1540, 1672, 1862, 1900, 1925, 1960, 2090, 2156, 2200, 2450, 2660, 2695, 2926, 3080, 3325, 3724, 3800, 3850, 4180, 4312, 4655, 4900, 5225, 5320, 5390, 5852, 6650, 7315, 7448, 7700, 8360, 9310, 9800, 10241, 10450, 10780, 11704, 13300, 13475, 14630, 15400, 18620, 20482, 20900, 21560, 23275, 26600, 26950, 29260, 36575, 37240, 40964, 41800, 46550, 51205, 53900, 58520, 73150, 81928, 93100, 102410, 107800, 146300, 186200, 204820, 256025, 292600, 409640, 512050, 1024100, 2048200]

約数ペア:

[(1, 2048200), (2, 1024100), (4, 512050), (5, 409640), (7, 292600), (8, 256025), (10, 204820), (11, 186200), (14, 146300), (19, 107800), (20, 102410), (22, 93100), (25, 81928), (28, 73150), (35, 58520), (38, 53900), (40, 51205), (44, 46550), (49, 41800), (50, 40964), (55, 37240), (56, 36575), (70, 29260), (76, 26950), (77, 26600), (88, 23275), (95, 21560), (98, 20900), (100, 20482), (110, 18620), (133, 15400), (140, 14630), (152, 13475), (154, 13300), (175, 11704), (190, 10780), (196, 10450), (200, 10241), (209, 9800), (220, 9310), (245, 8360), (266, 7700), (275, 7448), (280, 7315), (308, 6650), (350, 5852), (380, 5390), (385, 5320), (392, 5225), (418, 4900), (440, 4655), (475, 4312), (490, 4180), (532, 3850), (539, 3800), (550, 3724), (616, 3325), (665, 3080), (700, 2926), (760, 2695), (770, 2660), (836, 2450), (931, 2200), (950, 2156), (980, 2090), (1045, 1960), (1064, 1925), (1078, 1900), (1100, 1862), (1225, 1672), (1330, 1540), (1400, 1463)]