15939700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{3253}}^1$

素因数の和:3281

約数の個数: 54

約数和(自身を含む): 40248726

約数和(自身を除く): 24309026

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, 3253, 4900, 6506, 13012, 16265, 22771, 32530, 45542, 65060, 81325, 91084, 113855, 159397, 162650, 227710, 318794, 325300, 455420, 569275, 637588, 796985, 1138550, 1593970, 2277100, 3187940, 3984925, 7969850, 15939700]

約数ペア:

[(1, 15939700), (2, 7969850), (4, 3984925), (5, 3187940), (7, 2277100), (10, 1593970), (14, 1138550), (20, 796985), (25, 637588), (28, 569275), (35, 455420), (49, 325300), (50, 318794), (70, 227710), (98, 162650), (100, 159397), (140, 113855), (175, 91084), (196, 81325), (245, 65060), (350, 45542), (490, 32530), (700, 22771), (980, 16265), (1225, 13012), (2450, 6506), (3253, 4900)]