1990357500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{265381}}^1$

素因数の和:265408

約数の個数: 60

約数和(自身を含む): 5803373576

約数和(自身を除く): 3813016076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 7500, 265381, 530762, 796143, 1061524, 1326905, 1592286, 2653810, 3184572, 3980715, 5307620, 6634525, 7961430, 13269050, 15922860, 19903575, 26538100, 33172625, 39807150, 66345250, 79614300, 99517875, 132690500, 165863125, 199035750, 331726250, 398071500, 497589375, 663452500, 995178750, 1990357500]

約数ペア:

[(1, 1990357500), (2, 995178750), (3, 663452500), (4, 497589375), (5, 398071500), (6, 331726250), (10, 199035750), (12, 165863125), (15, 132690500), (20, 99517875), (25, 79614300), (30, 66345250), (50, 39807150), (60, 33172625), (75, 26538100), (100, 19903575), (125, 15922860), (150, 13269050), (250, 7961430), (300, 6634525), (375, 5307620), (500, 3980715), (625, 3184572), (750, 2653810), (1250, 1592286), (1500, 1326905), (1875, 1061524), (2500, 796143), (3750, 530762), (7500, 265381)]