520304820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1238821}}^1$

素因数の和:1238840

約数の個数: 48

約数和(自身を含む): 1664976768

約数和(自身を除く): 1144671948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1238821, 2477642, 3716463, 4955284, 6194105, 7432926, 8671747, 12388210, 14865852, 17343494, 18582315, 24776420, 26015241, 34686988, 37164630, 43358735, 52030482, 74329260, 86717470, 104060964, 130076205, 173434940, 260152410, 520304820]

約数ペア:

[(1, 520304820), (2, 260152410), (3, 173434940), (4, 130076205), (5, 104060964), (6, 86717470), (7, 74329260), (10, 52030482), (12, 43358735), (14, 37164630), (15, 34686988), (20, 26015241), (21, 24776420), (28, 18582315), (30, 17343494), (35, 14865852), (42, 12388210), (60, 8671747), (70, 7432926), (84, 6194105), (105, 4955284), (140, 3716463), (210, 2477642), (420, 1238821)]