888940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 2029104

約数和(自身を除く): 1140164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 263, 338, 526, 676, 845, 1052, 1315, 1690, 2630, 3380, 3419, 5260, 6838, 13676, 17095, 34190, 44447, 68380, 88894, 177788, 222235, 444470, 888940]

約数ペア:

[(1, 888940), (2, 444470), (4, 222235), (5, 177788), (10, 88894), (13, 68380), (20, 44447), (26, 34190), (52, 17095), (65, 13676), (130, 6838), (169, 5260), (260, 3419), (263, 3380), (338, 2630), (526, 1690), (676, 1315), (845, 1052)]