278329820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{479879}}^1$

素因数の和:479917

約数の個数: 24

約数和(自身を含む): 604648800

約数和(自身を除く): 326318980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 479879, 959758, 1919516, 2399395, 4798790, 9597580, 13916491, 27832982, 55665964, 69582455, 139164910, 278329820]

約数ペア:

[(1, 278329820), (2, 139164910), (4, 69582455), (5, 55665964), (10, 27832982), (20, 13916491), (29, 9597580), (58, 4798790), (116, 2399395), (145, 1919516), (290, 959758), (580, 479879)]