179957690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{8221}}^1$

素因数の和:8438

約数の個数: 32

約数和(自身を含む): 355190400

約数和(自身を除く): 175232710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 8221, 10945, 16442, 21890, 41105, 82210, 90431, 180862, 452155, 904310, 1635979, 3271958, 8179895, 16359790, 17995769, 35991538, 89978845, 179957690]

約数ペア:

[(1, 179957690), (2, 89978845), (5, 35991538), (10, 17995769), (11, 16359790), (22, 8179895), (55, 3271958), (110, 1635979), (199, 904310), (398, 452155), (995, 180862), (1990, 90431), (2189, 82210), (4378, 41105), (8221, 21890), (10945, 16442)]