2161764850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{28463}}^1$

素因数の和:28520

約数の個数: 72

約数和(自身を含む): 4828405248

約数和(自身を除く): 2666640398

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 175, 217, 245, 310, 350, 434, 490, 775, 1085, 1225, 1519, 1550, 2170, 2450, 3038, 5425, 7595, 10850, 15190, 28463, 37975, 56926, 75950, 142315, 199241, 284630, 398482, 711575, 882353, 996205, 1394687, 1423150, 1764706, 1992410, 2789374, 4411765, 4981025, 6176471, 6973435, 8823530, 9962050, 12352942, 13946870, 22058825, 30882355, 34867175, 43235297, 44117650, 61764710, 69734350, 86470594, 154411775, 216176485, 308823550, 432352970, 1080882425, 2161764850]

約数ペア:

[(1, 2161764850), (2, 1080882425), (5, 432352970), (7, 308823550), (10, 216176485), (14, 154411775), (25, 86470594), (31, 69734350), (35, 61764710), (49, 44117650), (50, 43235297), (62, 34867175), (70, 30882355), (98, 22058825), (155, 13946870), (175, 12352942), (217, 9962050), (245, 8823530), (310, 6973435), (350, 6176471), (434, 4981025), (490, 4411765), (775, 2789374), (1085, 1992410), (1225, 1764706), (1519, 1423150), (1550, 1394687), (2170, 996205), (2450, 882353), (3038, 711575), (5425, 398482), (7595, 284630), (10850, 199241), (15190, 142315), (28463, 75950), (37975, 56926)]