137269720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{490249}}^1$

素因数の和:490267

約数の個数: 32

約数和(自身を含む): 352980000

約数和(自身を除く): 215710280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 490249, 980498, 1960996, 2451245, 3431743, 3921992, 4902490, 6863486, 9804980, 13726972, 17158715, 19609960, 27453944, 34317430, 68634860, 137269720]

約数ペア:

[(1, 137269720), (2, 68634860), (4, 34317430), (5, 27453944), (7, 19609960), (8, 17158715), (10, 13726972), (14, 9804980), (20, 6863486), (28, 4902490), (35, 3921992), (40, 3431743), (56, 2451245), (70, 1960996), (140, 980498), (280, 490249)]