8464940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 19625760

約数和(自身を除く): 11160820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 353, 436, 545, 706, 1090, 1199, 1412, 1765, 2180, 2398, 3530, 3883, 4796, 5995, 7060, 7766, 11990, 15532, 19415, 23980, 38477, 38830, 76954, 77660, 153908, 192385, 384770, 423247, 769540, 846494, 1692988, 2116235, 4232470, 8464940]

約数ペア:

[(1, 8464940), (2, 4232470), (4, 2116235), (5, 1692988), (10, 846494), (11, 769540), (20, 423247), (22, 384770), (44, 192385), (55, 153908), (109, 77660), (110, 76954), (218, 38830), (220, 38477), (353, 23980), (436, 19415), (545, 15532), (706, 11990), (1090, 7766), (1199, 7060), (1412, 5995), (1765, 4796), (2180, 3883), (2398, 3530)]