25979800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 76970520

約数和(自身を除く): 50990720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 140, 154, 175, 196, 200, 220, 241, 245, 275, 280, 308, 350, 385, 392, 440, 482, 490, 539, 550, 616, 700, 770, 964, 980, 1078, 1100, 1205, 1225, 1400, 1540, 1687, 1925, 1928, 1960, 2156, 2200, 2410, 2450, 2651, 2695, 3080, 3374, 3850, 4312, 4820, 4900, 5302, 5390, 6025, 6748, 7700, 8435, 9640, 9800, 10604, 10780, 11809, 12050, 13255, 13475, 13496, 15400, 16870, 18557, 21208, 21560, 23618, 24100, 26510, 26950, 33740, 37114, 42175, 47236, 48200, 53020, 53900, 59045, 66275, 67480, 74228, 84350, 92785, 94472, 106040, 107800, 118090, 129899, 132550, 148456, 168700, 185570, 236180, 259798, 265100, 295225, 337400, 371140, 463925, 472360, 519596, 530200, 590450, 649495, 742280, 927850, 1039192, 1180900, 1298990, 1855700, 2361800, 2597980, 3247475, 3711400, 5195960, 6494950, 12989900, 25979800]

約数ペア:

[(1, 25979800), (2, 12989900), (4, 6494950), (5, 5195960), (7, 3711400), (8, 3247475), (10, 2597980), (11, 2361800), (14, 1855700), (20, 1298990), (22, 1180900), (25, 1039192), (28, 927850), (35, 742280), (40, 649495), (44, 590450), (49, 530200), (50, 519596), (55, 472360), (56, 463925), (70, 371140), (77, 337400), (88, 295225), (98, 265100), (100, 259798), (110, 236180), (140, 185570), (154, 168700), (175, 148456), (196, 132550), (200, 129899), (220, 118090), (241, 107800), (245, 106040), (275, 94472), (280, 92785), (308, 84350), (350, 74228), (385, 67480), (392, 66275), (440, 59045), (482, 53900), (490, 53020), (539, 48200), (550, 47236), (616, 42175), (700, 37114), (770, 33740), (964, 26950), (980, 26510), (1078, 24100), (1100, 23618), (1205, 21560), (1225, 21208), (1400, 18557), (1540, 16870), (1687, 15400), (1925, 13496), (1928, 13475), (1960, 13255), (2156, 12050), (2200, 11809), (2410, 10780), (2450, 10604), (2651, 9800), (2695, 9640), (3080, 8435), (3374, 7700), (3850, 6748), (4312, 6025), (4820, 5390), (4900, 5302)]