1980190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2867

約数の個数: 16

約数和(自身を含む): 3615840

約数和(自身を除く): 1635650

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2789, 5578, 13945, 27890, 198019, 396038, 990095, 1980190]

約数ペア:

[(1, 1980190), (2, 990095), (5, 396038), (10, 198019), (71, 27890), (142, 13945), (355, 5578), (710, 2789)]