280584920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91099}}^1$

素因数の和:91128

約数の個数: 64

約数和(自身を含む): 787104000

約数和(自身を除く): 506519080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 91099, 182198, 364396, 455495, 637693, 728792, 910990, 1002089, 1275386, 1821980, 2004178, 2550772, 3188465, 3643960, 4008356, 5010445, 5101544, 6376930, 7014623, 8016712, 10020890, 12753860, 14029246, 20041780, 25507720, 28058492, 35073115, 40083560, 56116984, 70146230, 140292460, 280584920]

約数ペア:

[(1, 280584920), (2, 140292460), (4, 70146230), (5, 56116984), (7, 40083560), (8, 35073115), (10, 28058492), (11, 25507720), (14, 20041780), (20, 14029246), (22, 12753860), (28, 10020890), (35, 8016712), (40, 7014623), (44, 6376930), (55, 5101544), (56, 5010445), (70, 4008356), (77, 3643960), (88, 3188465), (110, 2550772), (140, 2004178), (154, 1821980), (220, 1275386), (280, 1002089), (308, 910990), (385, 728792), (440, 637693), (616, 455495), (770, 364396), (1540, 182198), (3080, 91099)]