1650740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 4271232

約数和(自身を除く): 2620492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 907, 910, 1814, 1820, 3628, 4535, 6349, 9070, 11791, 12698, 18140, 23582, 25396, 31745, 47164, 58955, 63490, 82537, 117910, 126980, 165074, 235820, 330148, 412685, 825370, 1650740]

約数ペア:

[(1, 1650740), (2, 825370), (4, 412685), (5, 330148), (7, 235820), (10, 165074), (13, 126980), (14, 117910), (20, 82537), (26, 63490), (28, 58955), (35, 47164), (52, 31745), (65, 25396), (70, 23582), (91, 18140), (130, 12698), (140, 11791), (182, 9070), (260, 6349), (364, 4535), (455, 3628), (907, 1820), (910, 1814)]