77812900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 185988096

約数和(自身を除く): 108175196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 127, 220, 254, 275, 508, 550, 557, 635, 1100, 1114, 1270, 1397, 2228, 2540, 2785, 2794, 3175, 5570, 5588, 6127, 6350, 6985, 11140, 12254, 12700, 13925, 13970, 24508, 27850, 27940, 30635, 34925, 55700, 61270, 69850, 70739, 122540, 139700, 141478, 153175, 282956, 306350, 353695, 612700, 707390, 778129, 1414780, 1556258, 1768475, 3112516, 3536950, 3890645, 7073900, 7781290, 15562580, 19453225, 38906450, 77812900]

約数ペア:

[(1, 77812900), (2, 38906450), (4, 19453225), (5, 15562580), (10, 7781290), (11, 7073900), (20, 3890645), (22, 3536950), (25, 3112516), (44, 1768475), (50, 1556258), (55, 1414780), (100, 778129), (110, 707390), (127, 612700), (220, 353695), (254, 306350), (275, 282956), (508, 153175), (550, 141478), (557, 139700), (635, 122540), (1100, 70739), (1114, 69850), (1270, 61270), (1397, 55700), (2228, 34925), (2540, 30635), (2785, 27940), (2794, 27850), (3175, 24508), (5570, 13970), (5588, 13925), (6127, 12700), (6350, 12254), (6985, 11140)]