2907860

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{419}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 6138720

約数和(自身を除く): 3230860

約数列:

[1, 2, 4, 5, 10, 20, 347, 419, 694, 838, 1388, 1676, 1735, 2095, 3470, 4190, 6940, 8380, 145393, 290786, 581572, 726965, 1453930, 2907860]

約数ペア:

[(1, 2907860), (2, 1453930), (4, 726965), (5, 581572), (10, 290786), (20, 145393), (347, 8380), (419, 6940), (694, 4190), (838, 3470), (1388, 2095), (1676, 1735)]