252121380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{600289}}^1$

素因数の和:600308

約数の個数: 48

約数和(自身を含む): 806789760

約数和(自身を除く): 554668380

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, 600289, 1200578, 1800867, 2401156, 3001445, 3601734, 4202023, 6002890, 7203468, 8404046, 9004335, 12005780, 12606069, 16808092, 18008670, 21010115, 25212138, 36017340, 42020230, 50424276, 63030345, 84040460, 126060690, 252121380]

約数ペア:

[(1, 252121380), (2, 126060690), (3, 84040460), (4, 63030345), (5, 50424276), (6, 42020230), (7, 36017340), (10, 25212138), (12, 21010115), (14, 18008670), (15, 16808092), (20, 12606069), (21, 12005780), (28, 9004335), (30, 8404046), (35, 7203468), (42, 6002890), (60, 4202023), (70, 3601734), (84, 3001445), (105, 2401156), (140, 1800867), (210, 1200578), (420, 600289)]