137940180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{328429}}^1$

素因数の和:328448

約数の個数: 48

約数和(自身を含む): 441409920

約数和(自身を除く): 303469740

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, 328429, 656858, 985287, 1313716, 1642145, 1970574, 2299003, 3284290, 3941148, 4598006, 4926435, 6568580, 6897009, 9196012, 9852870, 11495015, 13794018, 19705740, 22990030, 27588036, 34485045, 45980060, 68970090, 137940180]

約数ペア:

[(1, 137940180), (2, 68970090), (3, 45980060), (4, 34485045), (5, 27588036), (6, 22990030), (7, 19705740), (10, 13794018), (12, 11495015), (14, 9852870), (15, 9196012), (20, 6897009), (21, 6568580), (28, 4926435), (30, 4598006), (35, 3941148), (42, 3284290), (60, 2299003), (70, 1970574), (84, 1642145), (105, 1313716), (140, 985287), (210, 656858), (420, 328429)]