668996860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{207763}}^1$

素因数の和:207802

約数の個数: 48

約数和(自身を含む): 1675408896

約数和(自身を除く): 1006412036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 207763, 415526, 831052, 1038815, 1454341, 2077630, 2908682, 4155260, 4778549, 5817364, 7271705, 9557098, 14543410, 19114196, 23892745, 29086820, 33449843, 47785490, 66899686, 95570980, 133799372, 167249215, 334498430, 668996860]

約数ペア:

[(1, 668996860), (2, 334498430), (4, 167249215), (5, 133799372), (7, 95570980), (10, 66899686), (14, 47785490), (20, 33449843), (23, 29086820), (28, 23892745), (35, 19114196), (46, 14543410), (70, 9557098), (92, 7271705), (115, 5817364), (140, 4778549), (161, 4155260), (230, 2908682), (322, 2077630), (460, 1454341), (644, 1038815), (805, 831052), (1610, 415526), (3220, 207763)]