1978548460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2018927}}^1$

素因数の和:2018950

約数の個数: 36

約数和(自身を含む): 4833313632

約数和(自身を除く): 2854765172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2018927, 4037854, 8075708, 10094635, 14132489, 20189270, 28264978, 40378540, 56529956, 70662445, 98927423, 141324890, 197854846, 282649780, 395709692, 494637115, 989274230, 1978548460]

約数ペア:

[(1, 1978548460), (2, 989274230), (4, 494637115), (5, 395709692), (7, 282649780), (10, 197854846), (14, 141324890), (20, 98927423), (28, 70662445), (35, 56529956), (49, 40378540), (70, 28264978), (98, 20189270), (140, 14132489), (196, 10094635), (245, 8075708), (490, 4037854), (980, 2018927)]