98978140

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{7487}}^1$

素因数の和:8157

約数の個数: 24

約数和(自身を含む): 208196352

約数和(自身を除く): 109218212

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 7487, 13220, 14974, 29948, 37435, 74870, 149740, 4948907, 9897814, 19795628, 24744535, 49489070, 98978140]

約数ペア:

[(1, 98978140), (2, 49489070), (4, 24744535), (5, 19795628), (10, 9897814), (20, 4948907), (661, 149740), (1322, 74870), (2644, 37435), (3305, 29948), (6610, 14974), (7487, 13220)]