898940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6421}}^1$

素因数の和:6437

約数の個数: 24

約数和(自身を含む): 2157792

約数和(自身を除く): 1258852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6421, 12842, 25684, 32105, 44947, 64210, 89894, 128420, 179788, 224735, 449470, 898940]

約数ペア:

[(1, 898940), (2, 449470), (4, 224735), (5, 179788), (7, 128420), (10, 89894), (14, 64210), (20, 44947), (28, 32105), (35, 25684), (70, 12842), (140, 6421)]