51719500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{2111}}^1$

素因数の和:2144

約数の個数: 72

約数和(自身を含む): 131459328

約数和(自身を除く): 79739828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2111, 2450, 3500, 4222, 4900, 6125, 8444, 10555, 12250, 14777, 21110, 24500, 29554, 42220, 52775, 59108, 73885, 103439, 105550, 147770, 206878, 211100, 263875, 295540, 369425, 413756, 517195, 527750, 738850, 1034390, 1055500, 1477700, 1847125, 2068780, 2585975, 3694250, 5171950, 7388500, 10343900, 12929875, 25859750, 51719500]

約数ペア:

[(1, 51719500), (2, 25859750), (4, 12929875), (5, 10343900), (7, 7388500), (10, 5171950), (14, 3694250), (20, 2585975), (25, 2068780), (28, 1847125), (35, 1477700), (49, 1055500), (50, 1034390), (70, 738850), (98, 527750), (100, 517195), (125, 413756), (140, 369425), (175, 295540), (196, 263875), (245, 211100), (250, 206878), (350, 147770), (490, 105550), (500, 103439), (700, 73885), (875, 59108), (980, 52775), (1225, 42220), (1750, 29554), (2111, 24500), (2450, 21110), (3500, 14777), (4222, 12250), (4900, 10555), (6125, 8444)]