281011310

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1\times {\mathrm{1103}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 514684800

約数和(自身を除く): 233673490

約数列:

[1, 2, 5, 10, 73, 146, 349, 365, 698, 730, 1103, 1745, 2206, 3490, 5515, 11030, 25477, 50954, 80519, 127385, 161038, 254770, 384947, 402595, 769894, 805190, 1924735, 3849470, 28101131, 56202262, 140505655, 281011310]

約数ペア:

[(1, 281011310), (2, 140505655), (5, 56202262), (10, 28101131), (73, 3849470), (146, 1924735), (349, 805190), (365, 769894), (698, 402595), (730, 384947), (1103, 254770), (1745, 161038), (2206, 127385), (3490, 80519), (5515, 50954), (11030, 25477)]