90102460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643589}}^1$

素因数の和:643605

約数の個数: 24

約数和(自身を含む): 216246240

約数和(自身を除く): 126143780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643589, 1287178, 2574356, 3217945, 4505123, 6435890, 9010246, 12871780, 18020492, 22525615, 45051230, 90102460]

約数ペア:

[(1, 90102460), (2, 45051230), (4, 22525615), (5, 18020492), (7, 12871780), (10, 9010246), (14, 6435890), (20, 4505123), (28, 3217945), (35, 2574356), (70, 1287178), (140, 643589)]