1856820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4421}}^1$

素因数の和:4440

約数の個数: 48

約数和(自身を含む): 5943168

約数和(自身を除く): 4086348

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, 4421, 8842, 13263, 17684, 22105, 26526, 30947, 44210, 53052, 61894, 66315, 88420, 92841, 123788, 132630, 154735, 185682, 265260, 309470, 371364, 464205, 618940, 928410, 1856820]

約数ペア:

[(1, 1856820), (2, 928410), (3, 618940), (4, 464205), (5, 371364), (6, 309470), (7, 265260), (10, 185682), (12, 154735), (14, 132630), (15, 123788), (20, 92841), (21, 88420), (28, 66315), (30, 61894), (35, 53052), (42, 44210), (60, 30947), (70, 26526), (84, 22105), (105, 17684), (140, 13263), (210, 8842), (420, 4421)]