216922020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73783}}^1$

素因数の和:73809

約数の個数: 72

約数和(自身を含む): 706555584

約数和(自身を除く): 489633564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 73783, 147566, 221349, 295132, 368915, 442698, 516481, 737830, 885396, 1032962, 1106745, 1475660, 1549443, 2065924, 2213490, 2582405, 3098886, 3615367, 4426980, 5164810, 6197772, 7230734, 7747215, 10329620, 10846101, 14461468, 15494430, 18076835, 21692202, 30988860, 36153670, 43384404, 54230505, 72307340, 108461010, 216922020]

約数ペア:

[(1, 216922020), (2, 108461010), (3, 72307340), (4, 54230505), (5, 43384404), (6, 36153670), (7, 30988860), (10, 21692202), (12, 18076835), (14, 15494430), (15, 14461468), (20, 10846101), (21, 10329620), (28, 7747215), (30, 7230734), (35, 6197772), (42, 5164810), (49, 4426980), (60, 3615367), (70, 3098886), (84, 2582405), (98, 2213490), (105, 2065924), (140, 1549443), (147, 1475660), (196, 1106745), (210, 1032962), (245, 885396), (294, 737830), (420, 516481), (490, 442698), (588, 368915), (735, 295132), (980, 221349), (1470, 147566), (2940, 73783)]