2008759900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{409951}}^1$

素因数の和:409979

約数の個数: 54

約数和(自身を含む): 5070696288

約数和(自身を除く): 3061936388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 409951, 819902, 1639804, 2049755, 2869657, 4099510, 5739314, 8199020, 10248775, 11478628, 14348285, 20087599, 20497550, 28696570, 40175198, 40995100, 57393140, 71741425, 80350396, 100437995, 143482850, 200875990, 286965700, 401751980, 502189975, 1004379950, 2008759900]

約数ペア:

[(1, 2008759900), (2, 1004379950), (4, 502189975), (5, 401751980), (7, 286965700), (10, 200875990), (14, 143482850), (20, 100437995), (25, 80350396), (28, 71741425), (35, 57393140), (49, 40995100), (50, 40175198), (70, 28696570), (98, 20497550), (100, 20087599), (140, 14348285), (175, 11478628), (196, 10248775), (245, 8199020), (350, 5739314), (490, 4099510), (700, 2869657), (980, 2049755), (1225, 1639804), (2450, 819902), (4900, 409951)]