2901996860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20728549}}^1$

素因数の和:20728565

約数の個数: 24

約数和(自身を含む): 6964792800

約数和(自身を除く): 4062795940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20728549, 41457098, 82914196, 103642745, 145099843, 207285490, 290199686, 414570980, 580399372, 725499215, 1450998430, 2901996860]

約数ペア:

[(1, 2901996860), (2, 1450998430), (4, 725499215), (5, 580399372), (7, 414570980), (10, 290199686), (14, 207285490), (20, 145099843), (28, 103642745), (35, 82914196), (70, 41457098), (140, 20728549)]