29907780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71209}}^1$

素因数の和:71228

約数の個数: 48

約数和(自身を含む): 95706240

約数和(自身を除く): 65798460

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, 71209, 142418, 213627, 284836, 356045, 427254, 498463, 712090, 854508, 996926, 1068135, 1424180, 1495389, 1993852, 2136270, 2492315, 2990778, 4272540, 4984630, 5981556, 7476945, 9969260, 14953890, 29907780]

約数ペア:

[(1, 29907780), (2, 14953890), (3, 9969260), (4, 7476945), (5, 5981556), (6, 4984630), (7, 4272540), (10, 2990778), (12, 2492315), (14, 2136270), (15, 1993852), (20, 1495389), (21, 1424180), (28, 1068135), (30, 996926), (35, 854508), (42, 712090), (60, 498463), (70, 427254), (84, 356045), (105, 284836), (140, 213627), (210, 142418), (420, 71209)]