90577340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646981}}^1$

素因数の和:646997

約数の個数: 24

約数和(自身を含む): 217385952

約数和(自身を除く): 126808612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646981, 1293962, 2587924, 3234905, 4528867, 6469810, 9057734, 12939620, 18115468, 22644335, 45288670, 90577340]

約数ペア:

[(1, 90577340), (2, 45288670), (4, 22644335), (5, 18115468), (7, 12939620), (10, 9057734), (14, 6469810), (20, 4528867), (28, 3234905), (35, 2587924), (70, 1293962), (140, 646981)]