287704620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{228337}}^1$

素因数の和:228359

約数の個数: 72

約数和(自身を含む): 997380384

約数和(自身を除く): 709675764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 228337, 456674, 685011, 913348, 1141685, 1370022, 1598359, 2055033, 2283370, 2740044, 3196718, 3425055, 4110066, 4566740, 4795077, 6393436, 6850110, 7991795, 8220132, 9590154, 10275165, 13700220, 14385231, 15983590, 19180308, 20550330, 23975385, 28770462, 31967180, 41100660, 47950770, 57540924, 71926155, 95901540, 143852310, 287704620]

約数ペア:

[(1, 287704620), (2, 143852310), (3, 95901540), (4, 71926155), (5, 57540924), (6, 47950770), (7, 41100660), (9, 31967180), (10, 28770462), (12, 23975385), (14, 20550330), (15, 19180308), (18, 15983590), (20, 14385231), (21, 13700220), (28, 10275165), (30, 9590154), (35, 8220132), (36, 7991795), (42, 6850110), (45, 6393436), (60, 4795077), (63, 4566740), (70, 4110066), (84, 3425055), (90, 3196718), (105, 2740044), (126, 2283370), (140, 2055033), (180, 1598359), (210, 1370022), (252, 1141685), (315, 913348), (420, 685011), (630, 456674), (1260, 228337)]