2109396940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{11689}}^1$

素因数の和:12994

約数の個数: 48

約数和(自身を含む): 5066913600

約数和(自身を除く): 2957516660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1289, 2578, 5156, 6445, 9023, 11689, 12890, 18046, 23378, 25780, 36092, 45115, 46756, 58445, 81823, 90230, 116890, 163646, 180460, 233780, 327292, 409115, 818230, 1636460, 15067121, 30134242, 60268484, 75335605, 105469847, 150671210, 210939694, 301342420, 421879388, 527349235, 1054698470, 2109396940]

約数ペア:

[(1, 2109396940), (2, 1054698470), (4, 527349235), (5, 421879388), (7, 301342420), (10, 210939694), (14, 150671210), (20, 105469847), (28, 75335605), (35, 60268484), (70, 30134242), (140, 15067121), (1289, 1636460), (2578, 818230), (5156, 409115), (6445, 327292), (9023, 233780), (11689, 180460), (12890, 163646), (18046, 116890), (23378, 90230), (25780, 81823), (36092, 58445), (45115, 46756)]