1214995000

素因数分解:

$2^3\times 5^4\times {\mathrm{242999}}^1$

素因数の和:243025

約数の個数: 40

約数和(自身を含む): 2846745000

約数和(自身を除く): 1631750000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 242999, 485998, 971996, 1214995, 1943992, 2429990, 4859980, 6074975, 9719960, 12149950, 24299900, 30374875, 48599800, 60749750, 121499500, 151874375, 242999000, 303748750, 607497500, 1214995000]

約数ペア:

[(1, 1214995000), (2, 607497500), (4, 303748750), (5, 242999000), (8, 151874375), (10, 121499500), (20, 60749750), (25, 48599800), (40, 30374875), (50, 24299900), (100, 12149950), (125, 9719960), (200, 6074975), (250, 4859980), (500, 2429990), (625, 1943992), (1000, 1214995), (1250, 971996), (2500, 485998), (5000, 242999)]