5280940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 12886272

約数和(自身を除く): 7605332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 563, 670, 938, 1126, 1340, 1876, 2252, 2345, 2815, 3941, 4690, 5630, 7882, 9380, 11260, 15764, 19705, 37721, 39410, 75442, 78820, 150884, 188605, 264047, 377210, 528094, 754420, 1056188, 1320235, 2640470, 5280940]

約数ペア:

[(1, 5280940), (2, 2640470), (4, 1320235), (5, 1056188), (7, 754420), (10, 528094), (14, 377210), (20, 264047), (28, 188605), (35, 150884), (67, 78820), (70, 75442), (134, 39410), (140, 37721), (268, 19705), (335, 15764), (469, 11260), (563, 9380), (670, 7882), (938, 5630), (1126, 4690), (1340, 3941), (1876, 2815), (2252, 2345)]