2386280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 5830380

約数和(自身を除く): 3444100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 353, 520, 676, 706, 845, 1352, 1412, 1690, 1765, 2824, 3380, 3530, 4589, 6760, 7060, 9178, 14120, 18356, 22945, 36712, 45890, 59657, 91780, 119314, 183560, 238628, 298285, 477256, 596570, 1193140, 2386280]

約数ペア:

[(1, 2386280), (2, 1193140), (4, 596570), (5, 477256), (8, 298285), (10, 238628), (13, 183560), (20, 119314), (26, 91780), (40, 59657), (52, 45890), (65, 36712), (104, 22945), (130, 18356), (169, 14120), (260, 9178), (338, 7060), (353, 6760), (520, 4589), (676, 3530), (706, 3380), (845, 2824), (1352, 1765), (1412, 1690)]