1857940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 4660992

約数和(自身を除く): 2803052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 577, 644, 805, 1154, 1610, 2308, 2885, 3220, 4039, 5770, 8078, 11540, 13271, 16156, 20195, 26542, 40390, 53084, 66355, 80780, 92897, 132710, 185794, 265420, 371588, 464485, 928970, 1857940]

約数ペア:

[(1, 1857940), (2, 928970), (4, 464485), (5, 371588), (7, 265420), (10, 185794), (14, 132710), (20, 92897), (23, 80780), (28, 66355), (35, 53084), (46, 40390), (70, 26542), (92, 20195), (115, 16156), (140, 13271), (161, 11540), (230, 8078), (322, 5770), (460, 4039), (577, 3220), (644, 2885), (805, 2308), (1154, 1610)]