191509940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{308887}}^1$

素因数の和:308927

約数の個数: 24

約数和(自身を含む): 415145472

約数和(自身を除く): 223635532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 308887, 617774, 1235548, 1544435, 3088870, 6177740, 9575497, 19150994, 38301988, 47877485, 95754970, 191509940]

約数ペア:

[(1, 191509940), (2, 95754970), (4, 47877485), (5, 38301988), (10, 19150994), (20, 9575497), (31, 6177740), (62, 3088870), (124, 1544435), (155, 1235548), (310, 617774), (620, 308887)]