51263800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{5231}}^1$

素因数の和:5261

約数の個数: 72

約数和(自身を含む): 138674160

約数和(自身を除く): 87410360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 5231, 9800, 10462, 20924, 26155, 36617, 41848, 52310, 73234, 104620, 130775, 146468, 183085, 209240, 256319, 261550, 292936, 366170, 512638, 523100, 732340, 915425, 1025276, 1046200, 1281595, 1464680, 1830850, 2050552, 2563190, 3661700, 5126380, 6407975, 7323400, 10252760, 12815950, 25631900, 51263800]

約数ペア:

[(1, 51263800), (2, 25631900), (4, 12815950), (5, 10252760), (7, 7323400), (8, 6407975), (10, 5126380), (14, 3661700), (20, 2563190), (25, 2050552), (28, 1830850), (35, 1464680), (40, 1281595), (49, 1046200), (50, 1025276), (56, 915425), (70, 732340), (98, 523100), (100, 512638), (140, 366170), (175, 292936), (196, 261550), (200, 256319), (245, 209240), (280, 183085), (350, 146468), (392, 130775), (490, 104620), (700, 73234), (980, 52310), (1225, 41848), (1400, 36617), (1960, 26155), (2450, 20924), (4900, 10462), (5231, 9800)]