505400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^2$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 1417320

約数和(自身を除く): 911920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 133, 140, 152, 175, 190, 200, 266, 280, 350, 361, 380, 475, 532, 665, 700, 722, 760, 950, 1064, 1330, 1400, 1444, 1805, 1900, 2527, 2660, 2888, 3325, 3610, 3800, 5054, 5320, 6650, 7220, 9025, 10108, 12635, 13300, 14440, 18050, 20216, 25270, 26600, 36100, 50540, 63175, 72200, 101080, 126350, 252700, 505400]

約数ペア:

[(1, 505400), (2, 252700), (4, 126350), (5, 101080), (7, 72200), (8, 63175), (10, 50540), (14, 36100), (19, 26600), (20, 25270), (25, 20216), (28, 18050), (35, 14440), (38, 13300), (40, 12635), (50, 10108), (56, 9025), (70, 7220), (76, 6650), (95, 5320), (100, 5054), (133, 3800), (140, 3610), (152, 3325), (175, 2888), (190, 2660), (200, 2527), (266, 1900), (280, 1805), (350, 1444), (361, 1400), (380, 1330), (475, 1064), (532, 950), (665, 760), (700, 722)]