57875420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 125405280

約数和(自身を除く): 67529860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 173, 215, 346, 389, 430, 692, 778, 860, 865, 1556, 1730, 1945, 3460, 3890, 7439, 7780, 14878, 16727, 29756, 33454, 37195, 66908, 67297, 74390, 83635, 134594, 148780, 167270, 269188, 334540, 336485, 672970, 1345940, 2893771, 5787542, 11575084, 14468855, 28937710, 57875420]

約数ペア:

[(1, 57875420), (2, 28937710), (4, 14468855), (5, 11575084), (10, 5787542), (20, 2893771), (43, 1345940), (86, 672970), (172, 336485), (173, 334540), (215, 269188), (346, 167270), (389, 148780), (430, 134594), (692, 83635), (778, 74390), (860, 67297), (865, 66908), (1556, 37195), (1730, 33454), (1945, 29756), (3460, 16727), (3890, 14878), (7439, 7780)]