842380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 2209536

約数和(自身を除く): 1367156

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 547, 770, 1094, 1540, 2188, 2735, 3829, 5470, 6017, 7658, 10940, 12034, 15316, 19145, 24068, 30085, 38290, 42119, 60170, 76580, 84238, 120340, 168476, 210595, 421190, 842380]

約数ペア:

[(1, 842380), (2, 421190), (4, 210595), (5, 168476), (7, 120340), (10, 84238), (11, 76580), (14, 60170), (20, 42119), (22, 38290), (28, 30085), (35, 24068), (44, 19145), (55, 15316), (70, 12034), (77, 10940), (110, 7658), (140, 6017), (154, 5470), (220, 3829), (308, 2735), (385, 2188), (547, 1540), (770, 1094)]