2479400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 144

約数和(自身を含む): 7633440

約数和(自身を除く): 5154040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 25, 28, 35, 40, 44, 46, 49, 50, 55, 56, 70, 77, 88, 92, 98, 100, 110, 115, 140, 154, 161, 175, 184, 196, 200, 220, 230, 245, 253, 275, 280, 308, 322, 350, 385, 392, 440, 460, 490, 506, 539, 550, 575, 616, 644, 700, 770, 805, 920, 980, 1012, 1078, 1100, 1127, 1150, 1225, 1265, 1288, 1400, 1540, 1610, 1771, 1925, 1960, 2024, 2156, 2200, 2254, 2300, 2450, 2530, 2695, 3080, 3220, 3542, 3850, 4025, 4312, 4508, 4600, 4900, 5060, 5390, 5635, 6325, 6440, 7084, 7700, 8050, 8855, 9016, 9800, 10120, 10780, 11270, 12397, 12650, 13475, 14168, 15400, 16100, 17710, 21560, 22540, 24794, 25300, 26950, 28175, 32200, 35420, 44275, 45080, 49588, 50600, 53900, 56350, 61985, 70840, 88550, 99176, 107800, 112700, 123970, 177100, 225400, 247940, 309925, 354200, 495880, 619850, 1239700, 2479400]

約数ペア:

[(1, 2479400), (2, 1239700), (4, 619850), (5, 495880), (7, 354200), (8, 309925), (10, 247940), (11, 225400), (14, 177100), (20, 123970), (22, 112700), (23, 107800), (25, 99176), (28, 88550), (35, 70840), (40, 61985), (44, 56350), (46, 53900), (49, 50600), (50, 49588), (55, 45080), (56, 44275), (70, 35420), (77, 32200), (88, 28175), (92, 26950), (98, 25300), (100, 24794), (110, 22540), (115, 21560), (140, 17710), (154, 16100), (161, 15400), (175, 14168), (184, 13475), (196, 12650), (200, 12397), (220, 11270), (230, 10780), (245, 10120), (253, 9800), (275, 9016), (280, 8855), (308, 8050), (322, 7700), (350, 7084), (385, 6440), (392, 6325), (440, 5635), (460, 5390), (490, 5060), (506, 4900), (539, 4600), (550, 4508), (575, 4312), (616, 4025), (644, 3850), (700, 3542), (770, 3220), (805, 3080), (920, 2695), (980, 2530), (1012, 2450), (1078, 2300), (1100, 2254), (1127, 2200), (1150, 2156), (1225, 2024), (1265, 1960), (1288, 1925), (1400, 1771), (1540, 1610)]