55136860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 122522400

約数和(自身を除く): 67385540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 373, 380, 389, 746, 778, 1492, 1556, 1865, 1945, 3730, 3890, 7087, 7391, 7460, 7780, 14174, 14782, 28348, 29564, 35435, 36955, 70870, 73910, 141740, 145097, 147820, 290194, 580388, 725485, 1450970, 2756843, 2901940, 5513686, 11027372, 13784215, 27568430, 55136860]

約数ペア:

[(1, 55136860), (2, 27568430), (4, 13784215), (5, 11027372), (10, 5513686), (19, 2901940), (20, 2756843), (38, 1450970), (76, 725485), (95, 580388), (190, 290194), (373, 147820), (380, 145097), (389, 141740), (746, 73910), (778, 70870), (1492, 36955), (1556, 35435), (1865, 29564), (1945, 28348), (3730, 14782), (3890, 14174), (7087, 7780), (7391, 7460)]