90589660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647069}}^1$

素因数の和:647085

約数の個数: 24

約数和(自身を含む): 217415520

約数和(自身を除く): 126825860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647069, 1294138, 2588276, 3235345, 4529483, 6470690, 9058966, 12941380, 18117932, 22647415, 45294830, 90589660]

約数ペア:

[(1, 90589660), (2, 45294830), (4, 22647415), (5, 18117932), (7, 12941380), (10, 9058966), (14, 6470690), (20, 4529483), (28, 3235345), (35, 2588276), (70, 1294138), (140, 647069)]