204581580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{487099}}^1$

素因数の和:487118

約数の個数: 48

約数和(自身を含む): 654662400

約数和(自身を除く): 450080820

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, 487099, 974198, 1461297, 1948396, 2435495, 2922594, 3409693, 4870990, 5845188, 6819386, 7306485, 9741980, 10229079, 13638772, 14612970, 17048465, 20458158, 29225940, 34096930, 40916316, 51145395, 68193860, 102290790, 204581580]

約数ペア:

[(1, 204581580), (2, 102290790), (3, 68193860), (4, 51145395), (5, 40916316), (6, 34096930), (7, 29225940), (10, 20458158), (12, 17048465), (14, 14612970), (15, 13638772), (20, 10229079), (21, 9741980), (28, 7306485), (30, 6819386), (35, 5845188), (42, 4870990), (60, 3409693), (70, 2922594), (84, 2435495), (105, 1948396), (140, 1461297), (210, 974198), (420, 487099)]