320465000

素因数分解:

$2^3\times 5^4\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 759132000

約数和(自身を除く): 438667000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 250, 428, 500, 535, 599, 625, 856, 1000, 1070, 1198, 1250, 2140, 2396, 2500, 2675, 2995, 4280, 4792, 5000, 5350, 5990, 10700, 11980, 13375, 14975, 21400, 23960, 26750, 29950, 53500, 59900, 64093, 66875, 74875, 107000, 119800, 128186, 133750, 149750, 256372, 267500, 299500, 320465, 374375, 512744, 535000, 599000, 640930, 748750, 1281860, 1497500, 1602325, 2563720, 2995000, 3204650, 6409300, 8011625, 12818600, 16023250, 32046500, 40058125, 64093000, 80116250, 160232500, 320465000]

約数ペア:

[(1, 320465000), (2, 160232500), (4, 80116250), (5, 64093000), (8, 40058125), (10, 32046500), (20, 16023250), (25, 12818600), (40, 8011625), (50, 6409300), (100, 3204650), (107, 2995000), (125, 2563720), (200, 1602325), (214, 1497500), (250, 1281860), (428, 748750), (500, 640930), (535, 599000), (599, 535000), (625, 512744), (856, 374375), (1000, 320465), (1070, 299500), (1198, 267500), (1250, 256372), (2140, 149750), (2396, 133750), (2500, 128186), (2675, 119800), (2995, 107000), (4280, 74875), (4792, 66875), (5000, 64093), (5350, 59900), (5990, 53500), (10700, 29950), (11980, 26750), (13375, 23960), (14975, 21400)]