98972020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{706943}}^1$

素因数の和:706959

約数の個数: 24

約数和(自身を含む): 237533184

約数和(自身を除く): 138561164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 706943, 1413886, 2827772, 3534715, 4948601, 7069430, 9897202, 14138860, 19794404, 24743005, 49486010, 98972020]

約数ペア:

[(1, 98972020), (2, 49486010), (4, 24743005), (5, 19794404), (7, 14138860), (10, 9897202), (14, 7069430), (20, 4948601), (28, 3534715), (35, 2827772), (70, 1413886), (140, 706943)]