197011800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{109451}}^1$

素因数の和:109473

約数の個数: 72

約数和(自身を含む): 661637340

約数和(自身を除く): 464625540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 109451, 218902, 328353, 437804, 547255, 656706, 875608, 985059, 1094510, 1313412, 1641765, 1970118, 2189020, 2626824, 2736275, 3283530, 3940236, 4378040, 4925295, 5472550, 6567060, 7880472, 8208825, 9850590, 10945100, 13134120, 16417650, 19701180, 21890200, 24626475, 32835300, 39402360, 49252950, 65670600, 98505900, 197011800]

約数ペア:

[(1, 197011800), (2, 98505900), (3, 65670600), (4, 49252950), (5, 39402360), (6, 32835300), (8, 24626475), (9, 21890200), (10, 19701180), (12, 16417650), (15, 13134120), (18, 10945100), (20, 9850590), (24, 8208825), (25, 7880472), (30, 6567060), (36, 5472550), (40, 4925295), (45, 4378040), (50, 3940236), (60, 3283530), (72, 2736275), (75, 2626824), (90, 2189020), (100, 1970118), (120, 1641765), (150, 1313412), (180, 1094510), (200, 985059), (225, 875608), (300, 656706), (360, 547255), (450, 437804), (600, 328353), (900, 218902), (1800, 109451)]