8784860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 21288960

約数和(自身を除く): 12504100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 479, 524, 655, 917, 958, 1310, 1834, 1916, 2395, 2620, 3353, 3668, 4585, 4790, 6706, 9170, 9580, 13412, 16765, 18340, 33530, 62749, 67060, 125498, 250996, 313745, 439243, 627490, 878486, 1254980, 1756972, 2196215, 4392430, 8784860]

約数ペア:

[(1, 8784860), (2, 4392430), (4, 2196215), (5, 1756972), (7, 1254980), (10, 878486), (14, 627490), (20, 439243), (28, 313745), (35, 250996), (70, 125498), (131, 67060), (140, 62749), (262, 33530), (479, 18340), (524, 16765), (655, 13412), (917, 9580), (958, 9170), (1310, 6706), (1834, 4790), (1916, 4585), (2395, 3668), (2620, 3353)]