1191380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 2540160

約数和(自身を除く): 1348780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 839, 1420, 1678, 3356, 4195, 8390, 16780, 59569, 119138, 238276, 297845, 595690, 1191380]

約数ペア:

[(1, 1191380), (2, 595690), (4, 297845), (5, 238276), (10, 119138), (20, 59569), (71, 16780), (142, 8390), (284, 4195), (355, 3356), (710, 1678), (839, 1420)]