775515340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1\times {\mathrm{607}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 1647378432

約数和(自身を除く): 871863092

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 503, 508, 607, 635, 1006, 1214, 1270, 2012, 2428, 2515, 2540, 3035, 5030, 6070, 10060, 12140, 63881, 77089, 127762, 154178, 255524, 305321, 308356, 319405, 385445, 610642, 638810, 770890, 1221284, 1277620, 1526605, 1541780, 3053210, 6106420, 38775767, 77551534, 155103068, 193878835, 387757670, 775515340]

約数ペア:

[(1, 775515340), (2, 387757670), (4, 193878835), (5, 155103068), (10, 77551534), (20, 38775767), (127, 6106420), (254, 3053210), (503, 1541780), (508, 1526605), (607, 1277620), (635, 1221284), (1006, 770890), (1214, 638810), (1270, 610642), (2012, 385445), (2428, 319405), (2515, 308356), (2540, 305321), (3035, 255524), (5030, 154178), (6070, 127762), (10060, 77089), (12140, 63881)]