5287940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 12845952

約数和(自身を除く): 7558012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 353, 428, 535, 706, 749, 1070, 1412, 1498, 1765, 2140, 2471, 2996, 3530, 3745, 4942, 7060, 7490, 9884, 12355, 14980, 24710, 37771, 49420, 75542, 151084, 188855, 264397, 377710, 528794, 755420, 1057588, 1321985, 2643970, 5287940]

約数ペア:

[(1, 5287940), (2, 2643970), (4, 1321985), (5, 1057588), (7, 755420), (10, 528794), (14, 377710), (20, 264397), (28, 188855), (35, 151084), (70, 75542), (107, 49420), (140, 37771), (214, 24710), (353, 14980), (428, 12355), (535, 9884), (706, 7490), (749, 7060), (1070, 4942), (1412, 3745), (1498, 3530), (1765, 2996), (2140, 2471)]