87366940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1031}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 194181120

約数和(自身を除く): 106814180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 380, 446, 892, 1031, 1115, 2062, 2230, 4124, 4237, 4460, 5155, 8474, 10310, 16948, 19589, 20620, 21185, 39178, 42370, 78356, 84740, 97945, 195890, 229913, 391780, 459826, 919652, 1149565, 2299130, 4368347, 4598260, 8736694, 17473388, 21841735, 43683470, 87366940]

約数ペア:

[(1, 87366940), (2, 43683470), (4, 21841735), (5, 17473388), (10, 8736694), (19, 4598260), (20, 4368347), (38, 2299130), (76, 1149565), (95, 919652), (190, 459826), (223, 391780), (380, 229913), (446, 195890), (892, 97945), (1031, 84740), (1115, 78356), (2062, 42370), (2230, 39178), (4124, 21185), (4237, 20620), (4460, 19589), (5155, 16948), (8474, 10310)]