1723880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 3939840

約数和(自身を除く): 2215960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 607, 710, 1214, 1420, 2428, 2840, 3035, 4856, 6070, 12140, 24280, 43097, 86194, 172388, 215485, 344776, 430970, 861940, 1723880]

約数ペア:

[(1, 1723880), (2, 861940), (4, 430970), (5, 344776), (8, 215485), (10, 172388), (20, 86194), (40, 43097), (71, 24280), (142, 12140), (284, 6070), (355, 4856), (568, 3035), (607, 2840), (710, 2428), (1214, 1420)]