291219940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1323727}}^1$

素因数の和:1323747

約数の個数: 24

約数和(自身を含む): 667158912

約数和(自身を除く): 375938972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1323727, 2647454, 5294908, 6618635, 13237270, 14560997, 26474540, 29121994, 58243988, 72804985, 145609970, 291219940]

約数ペア:

[(1, 291219940), (2, 145609970), (4, 72804985), (5, 58243988), (10, 29121994), (11, 26474540), (20, 14560997), (22, 13237270), (44, 6618635), (55, 5294908), (110, 2647454), (220, 1323727)]