415921380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{990289}}^1$

素因数の和:990308

約数の個数: 48

約数和(自身を含む): 1330949760

約数和(自身を除く): 915028380

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, 990289, 1980578, 2970867, 3961156, 4951445, 5941734, 6932023, 9902890, 11883468, 13864046, 14854335, 19805780, 20796069, 27728092, 29708670, 34660115, 41592138, 59417340, 69320230, 83184276, 103980345, 138640460, 207960690, 415921380]

約数ペア:

[(1, 415921380), (2, 207960690), (3, 138640460), (4, 103980345), (5, 83184276), (6, 69320230), (7, 59417340), (10, 41592138), (12, 34660115), (14, 29708670), (15, 27728092), (20, 20796069), (21, 19805780), (28, 14854335), (30, 13864046), (35, 11883468), (42, 9902890), (60, 6932023), (70, 5941734), (84, 4951445), (105, 3961156), (140, 2970867), (210, 1980578), (420, 990289)]