204390060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{486643}}^1$

素因数の和:486662

約数の個数: 48

約数和(自身を含む): 654049536

約数和(自身を除く): 449659476

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, 486643, 973286, 1459929, 1946572, 2433215, 2919858, 3406501, 4866430, 5839716, 6813002, 7299645, 9732860, 10219503, 13626004, 14599290, 17032505, 20439006, 29198580, 34065010, 40878012, 51097515, 68130020, 102195030, 204390060]

約数ペア:

[(1, 204390060), (2, 102195030), (3, 68130020), (4, 51097515), (5, 40878012), (6, 34065010), (7, 29198580), (10, 20439006), (12, 17032505), (14, 14599290), (15, 13626004), (20, 10219503), (21, 9732860), (28, 7299645), (30, 6813002), (35, 5839716), (42, 4866430), (60, 3406501), (70, 2919858), (84, 2433215), (105, 1946572), (140, 1459929), (210, 973286), (420, 486643)]