68634860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{490249}}^1$

素因数の和:490265

約数の個数: 24

約数和(自身を含む): 164724000

約数和(自身を除く): 96089140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 490249, 980498, 1960996, 2451245, 3431743, 4902490, 6863486, 9804980, 13726972, 17158715, 34317430, 68634860]

約数ペア:

[(1, 68634860), (2, 34317430), (4, 17158715), (5, 13726972), (7, 9804980), (10, 6863486), (14, 4902490), (20, 3431743), (28, 2451245), (35, 1960996), (70, 980498), (140, 490249)]