2989713040

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{6469}}^1$

素因数の和:6644

約数の個数: 80

約数和(自身を含む): 7148314800

約数和(自身を除く): 4158601760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 109, 212, 218, 265, 424, 436, 530, 545, 848, 872, 1060, 1090, 1744, 2120, 2180, 4240, 4360, 5777, 6469, 8720, 11554, 12938, 23108, 25876, 28885, 32345, 46216, 51752, 57770, 64690, 92432, 103504, 115540, 129380, 231080, 258760, 342857, 462160, 517520, 685714, 705121, 1371428, 1410242, 1714285, 2742856, 2820484, 3428570, 3525605, 5485712, 5640968, 6857140, 7051210, 11281936, 13714280, 14102420, 27428560, 28204840, 37371413, 56409680, 74742826, 149485652, 186857065, 298971304, 373714130, 597942608, 747428260, 1494856520, 2989713040]

約数ペア:

[(1, 2989713040), (2, 1494856520), (4, 747428260), (5, 597942608), (8, 373714130), (10, 298971304), (16, 186857065), (20, 149485652), (40, 74742826), (53, 56409680), (80, 37371413), (106, 28204840), (109, 27428560), (212, 14102420), (218, 13714280), (265, 11281936), (424, 7051210), (436, 6857140), (530, 5640968), (545, 5485712), (848, 3525605), (872, 3428570), (1060, 2820484), (1090, 2742856), (1744, 1714285), (2120, 1410242), (2180, 1371428), (4240, 705121), (4360, 685714), (5777, 517520), (6469, 462160), (8720, 342857), (11554, 258760), (12938, 231080), (23108, 129380), (25876, 115540), (28885, 103504), (32345, 92432), (46216, 64690), (51752, 57770)]