1567871780

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1\times {\mathrm{1039}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 3321077760

約数和(自身を除く): 1753205980

約数列:

[1, 2, 4, 5, 10, 20, 197, 383, 394, 766, 788, 985, 1039, 1532, 1915, 1970, 2078, 3830, 3940, 4156, 5195, 7660, 10390, 20780, 75451, 150902, 204683, 301804, 377255, 397937, 409366, 754510, 795874, 818732, 1023415, 1509020, 1591748, 1989685, 2046830, 3979370, 4093660, 7958740, 78393589, 156787178, 313574356, 391967945, 783935890, 1567871780]

約数ペア:

[(1, 1567871780), (2, 783935890), (4, 391967945), (5, 313574356), (10, 156787178), (20, 78393589), (197, 7958740), (383, 4093660), (394, 3979370), (766, 2046830), (788, 1989685), (985, 1591748), (1039, 1509020), (1532, 1023415), (1915, 818732), (1970, 795874), (2078, 754510), (3830, 409366), (3940, 397937), (4156, 377255), (5195, 301804), (7660, 204683), (10390, 150902), (20780, 75451)]