209849690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 382717440

約数和(自身を除く): 172867750

約数列:

[1, 2, 5, 10, 139, 223, 278, 446, 677, 695, 1115, 1354, 1390, 2230, 3385, 6770, 30997, 61994, 94103, 150971, 154985, 188206, 301942, 309970, 470515, 754855, 941030, 1509710, 20984969, 41969938, 104924845, 209849690]

約数ペア:

[(1, 209849690), (2, 104924845), (5, 41969938), (10, 20984969), (139, 1509710), (223, 941030), (278, 754855), (446, 470515), (677, 309970), (695, 301942), (1115, 188206), (1354, 154985), (1390, 150971), (2230, 94103), (3385, 61994), (6770, 30997)]