219221000

素因数分解:

$2^3\times 5^3\times {\mathrm{257}}^1\times {\mathrm{853}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 515576880

約数和(自身を除く): 296355880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 257, 500, 514, 853, 1000, 1028, 1285, 1706, 2056, 2570, 3412, 4265, 5140, 6425, 6824, 8530, 10280, 12850, 17060, 21325, 25700, 32125, 34120, 42650, 51400, 64250, 85300, 106625, 128500, 170600, 213250, 219221, 257000, 426500, 438442, 853000, 876884, 1096105, 1753768, 2192210, 4384420, 5480525, 8768840, 10961050, 21922100, 27402625, 43844200, 54805250, 109610500, 219221000]

約数ペア:

[(1, 219221000), (2, 109610500), (4, 54805250), (5, 43844200), (8, 27402625), (10, 21922100), (20, 10961050), (25, 8768840), (40, 5480525), (50, 4384420), (100, 2192210), (125, 1753768), (200, 1096105), (250, 876884), (257, 853000), (500, 438442), (514, 426500), (853, 257000), (1000, 219221), (1028, 213250), (1285, 170600), (1706, 128500), (2056, 106625), (2570, 85300), (3412, 64250), (4265, 51400), (5140, 42650), (6425, 34120), (6824, 32125), (8530, 25700), (10280, 21325), (12850, 17060)]