1237880

素因数分解:

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

素因数の和:4439

約数の個数: 32

約数和(自身を含む): 3183840

約数和(自身を除く): 1945960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4421, 8842, 17684, 22105, 30947, 35368, 44210, 61894, 88420, 123788, 154735, 176840, 247576, 309470, 618940, 1237880]

約数ペア:

[(1, 1237880), (2, 618940), (4, 309470), (5, 247576), (7, 176840), (8, 154735), (10, 123788), (14, 88420), (20, 61894), (28, 44210), (35, 35368), (40, 30947), (56, 22105), (70, 17684), (140, 8842), (280, 4421)]