216244140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{514867}}^1$

素因数の和:514886

約数の個数: 48

約数和(自身を含む): 691982592

約数和(自身を除く): 475738452

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, 514867, 1029734, 1544601, 2059468, 2574335, 3089202, 3604069, 5148670, 6178404, 7208138, 7723005, 10297340, 10812207, 14416276, 15446010, 18020345, 21624414, 30892020, 36040690, 43248828, 54061035, 72081380, 108122070, 216244140]

約数ペア:

[(1, 216244140), (2, 108122070), (3, 72081380), (4, 54061035), (5, 43248828), (6, 36040690), (7, 30892020), (10, 21624414), (12, 18020345), (14, 15446010), (15, 14416276), (20, 10812207), (21, 10297340), (28, 7723005), (30, 7208138), (35, 6178404), (42, 5148670), (60, 3604069), (70, 3089202), (84, 2574335), (105, 2059468), (140, 1544601), (210, 1029734), (420, 514867)]