388305900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{47939}}^1$

素因数の和:47965

約数の個数: 90

約数和(自身を含む): 1258760580

約数和(自身を除く): 870454680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 47939, 95878, 143817, 191756, 239695, 287634, 431451, 479390, 575268, 719085, 862902, 958780, 1198475, 1294353, 1438170, 1725804, 2157255, 2396950, 2588706, 2876340, 3595425, 3883059, 4314510, 4793900, 5177412, 6471765, 7190850, 7766118, 8629020, 10786275, 12943530, 14381700, 15532236, 19415295, 21572550, 25887060, 32358825, 38830590, 43145100, 64717650, 77661180, 97076475, 129435300, 194152950, 388305900]

約数ペア:

[(1, 388305900), (2, 194152950), (3, 129435300), (4, 97076475), (5, 77661180), (6, 64717650), (9, 43145100), (10, 38830590), (12, 32358825), (15, 25887060), (18, 21572550), (20, 19415295), (25, 15532236), (27, 14381700), (30, 12943530), (36, 10786275), (45, 8629020), (50, 7766118), (54, 7190850), (60, 6471765), (75, 5177412), (81, 4793900), (90, 4314510), (100, 3883059), (108, 3595425), (135, 2876340), (150, 2588706), (162, 2396950), (180, 2157255), (225, 1725804), (270, 1438170), (300, 1294353), (324, 1198475), (405, 958780), (450, 862902), (540, 719085), (675, 575268), (810, 479390), (900, 431451), (1350, 287634), (1620, 239695), (2025, 191756), (2700, 143817), (4050, 95878), (8100, 47939)]