204354780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{486559}}^1$

素因数の和:486578

約数の個数: 48

約数和(自身を含む): 653936640

約数和(自身を除く): 449581860

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, 486559, 973118, 1459677, 1946236, 2432795, 2919354, 3405913, 4865590, 5838708, 6811826, 7298385, 9731180, 10217739, 13623652, 14596770, 17029565, 20435478, 29193540, 34059130, 40870956, 51088695, 68118260, 102177390, 204354780]

約数ペア:

[(1, 204354780), (2, 102177390), (3, 68118260), (4, 51088695), (5, 40870956), (6, 34059130), (7, 29193540), (10, 20435478), (12, 17029565), (14, 14596770), (15, 13623652), (20, 10217739), (21, 9731180), (28, 7298385), (30, 6811826), (35, 5838708), (42, 4865590), (60, 3405913), (70, 2919354), (84, 2432795), (105, 1946236), (140, 1459677), (210, 973118), (420, 486559)]