127781400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{212969}}^1$

素因数の和:212988

約数の個数: 48

約数和(自身を含む): 396124200

約数和(自身を除く): 268342800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 212969, 425938, 638907, 851876, 1064845, 1277814, 1703752, 2129690, 2555628, 3194535, 4259380, 5111256, 5324225, 6389070, 8518760, 10648450, 12778140, 15972675, 21296900, 25556280, 31945350, 42593800, 63890700, 127781400]

約数ペア:

[(1, 127781400), (2, 63890700), (3, 42593800), (4, 31945350), (5, 25556280), (6, 21296900), (8, 15972675), (10, 12778140), (12, 10648450), (15, 8518760), (20, 6389070), (24, 5324225), (25, 5111256), (30, 4259380), (40, 3194535), (50, 2555628), (60, 2129690), (75, 1703752), (100, 1277814), (120, 1064845), (150, 851876), (200, 638907), (300, 425938), (600, 212969)]