1223454920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{1907}}^1$

素因数の和:2334

約数の個数: 64

約数和(自身を含む): 2825824320

約数和(自身を除く): 1602369400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 373, 430, 746, 860, 1492, 1720, 1865, 1907, 2984, 3730, 3814, 7460, 7628, 9535, 14920, 15256, 16039, 19070, 32078, 38140, 64156, 76280, 80195, 82001, 128312, 160390, 164002, 320780, 328004, 410005, 641560, 656008, 711311, 820010, 1422622, 1640020, 2845244, 3280040, 3556555, 5690488, 7113110, 14226220, 28452440, 30586373, 61172746, 122345492, 152931865, 244690984, 305863730, 611727460, 1223454920]

約数ペア:

[(1, 1223454920), (2, 611727460), (4, 305863730), (5, 244690984), (8, 152931865), (10, 122345492), (20, 61172746), (40, 30586373), (43, 28452440), (86, 14226220), (172, 7113110), (215, 5690488), (344, 3556555), (373, 3280040), (430, 2845244), (746, 1640020), (860, 1422622), (1492, 820010), (1720, 711311), (1865, 656008), (1907, 641560), (2984, 410005), (3730, 328004), (3814, 320780), (7460, 164002), (7628, 160390), (9535, 128312), (14920, 82001), (15256, 80195), (16039, 76280), (19070, 64156), (32078, 38140)]